Browse Other R Word Lengths
9-Letter R Words by Ending Letter
All 2,783 9-Letter Words Starting With R
raajmahal(India) A palace.raasclaat(Jamaica, vulgar) Used to express anger, annoyance or surprise.rabatmentThe rotation of a plane figure.rabbaniteAlternative form of rabbinite.rabbetingpresent participle and gerund of rabbetrabbinateThe office or function of a rabbi.rabbinicaRabbinic literature.rabbinicsRabbinical studies.rabbiniseAlternative form of rabbinize.rabbinismAlternative letter-case form of Rabbinism.rabbinist(Judaism) One who adheres to the Talmud and traditions of the rabbis.rabbinite(Judaism) Synonym of rabbinist.rabbinizeTo interpret from the perspective of rabbinic teaching; to make consistent with rabbinic lore.rabbishipThe rank or office of rabbi.rabbitdomThe state or essence of being a rabbit.rabbiteyeA type of blueberry (Vaccinium virgatum)rabbitingpresent participle and gerund of rabbitrabbitishCharacteristic of or similar to a rabbit; rabbit-like.rabbitpoxA disease of rabbits caused by an orthopoxvirus.rabdology(arithmetic) The practice of performing arithmetic using Napier's bones.rabidnessThe property of being rabid.rabigenicCausing rabies.raccahoutAlternative form of racahout.raceabout(nautical) A small sloop-rigged racing yacht carrying about six hundred square feet of sail, distinguished from a knockabout by having a short bowsprit.racecardsplural of racecardracecraftThe process by which racist behaviour creates the belief that race is a biological reality.racegoingAttendance at horse races.racehorseA horse that competes in races.racemasesplural of racemaseracemisedsimple past and past participle of racemiseracemisesthird-person singular simple present indicative of racemiseracerbackAn item of clothing, such as a shirt or bra, with straps that meet high on the back.racerlikeResembling a racer (type of North American snake).racetrackA course over which any type of races are run.rachidialRelating to a rachis.rachidianAlternative spelling of rhachidian.rachillaeplural of rachillarachitismSynonym of rachitis (“rickets”).rachitome(surgery, historical) A dissecting instrument for opening the spinal canal.rachmones(Judaism) Mercy, compassion, pity.racialiseNon-Oxford British English standard spelling of racialize.racialismThe belief that humans can be categorized as belonging to distinct races, each race being characterized by fixed and heritable traits.racialistA believer or advocate of racialism, the ideology of racial nationalism.racialityA racial qualityracializeTo categorize or treat in racial terms.raciationThe division of people or other organisms into races.raciology(dated) The scientific study of human race.rackarockAn explosive consisting of potassium chlorate and mononitrobenzene.rackboard(music) A long board drilled with holes to support the pipes as part of an organ.racketeerOne who commits crimes (especially fraud, bribery, loan sharking, extortion etc.) to aid in running a shady or illegal business.racketingpresent participle and gerund of racketrackinglySo as to cause suffering.rackmountAny equipment designed to be rack-mounted.rackrentsRare form of rack rents; plural of rackrent.raconteurA storyteller, especially a person noted for telling stories with skill and wit.racquetedsimple past and past participle of racquetradargram(planetology, geology) A radar image of mineral deposits or a planetary surface.radarlessWithout radar.radarlikeResembling radar.raddlemanAlternative spelling of ruddleman.radialene(organic chemistry) Any of a class of alicyclic organic compounds containing n cross-conjugated exocyclic double bonds.radialiseAlternative form of radialize.radiality(uncountable) The condition of having a radial structureradialize(transitive) To induce radial symmetry in; to cause to radiate.radiancesplural of radianceradiantlyIn a manner that is radiant; glowingly.radiatelyIn a radiate manner; with radiation or divergence from a centre.radiatingpresent participle and gerund of radiateradiationThe shooting forth of anything from a point or surface, like diverging rays of light.radiative(physics) of, relating to, or occurring through radiationradiatoriA type of pasta in the shape of a radiator.radiatorsplural of radiatorradicallyIn a radical manner; fundamentally; very.radicandsplural of radicandradicatedsimple past and past participle of radicateradicchioA cultivar of chicory (Cichorium intybus var. foliosum) with red leaves and a slightly bitter taste, eaten as a salad vegetable or grilled.radicicolA particular natural product that binds to heat shock protein 90 and alters its function.radicular(botany) Relating to a radicle.radiocastA radio broadcast.radiodont(paleontology) A member of the Radiodonta order of Cambrian arthropodsradiogold(medicine) The radioactive isotope of gold, 19879Au, used in medical irradiation and in diagnosisradiogram(radio, historical) Synonym of radiogramophone (“a gramophone record player that incorporates a radio receiver”).radiohaloA microscopic spherical disturbance in a rock caused by a grain of radioactive material.radioironA radioactive isotope of iron.radioland(radio, broadcasting) The radio broadcasting industry.radioleadradioactive lead (especially when used as a tracer)radiolessWithout a radio.radiolikeResembling or characteristic of radio.radiolite(geology) A form of igneous rock that has a radial, fanlike texture of crystals; a hippuriteradiology(medicine, obsolete) The use of radioactive substances in diagnosis and treatment (which today is the province of nuclear medicine).radioloud(astronomy) Producing radio emissions.radiolyse(chemistry) A product which is created through irradiation of substances.radiomics(medicine) The study of large numbers of radiological images to uncover hidden characteristics.radioneonradioactive neonradionicsAny of several techniques supposed to detect and modulate "life forces" and to provide healing using various electric black boxes.radiopillA small capsule containing a transmitter, introduced into the body for purposes of radiotelemetry.radioplay(authorship) A script for a story to be produced as a radio show, such as a radio drama.radiopureradiochemically pureradioscanA scan for the presence of radioactive material in a sample; especially for a radioactive tracer in an organradiosity(computer graphics) A three-dimensional rendering system that simulates all reflections from objects in the scene.radiothon(informal) An extended charity appeal on the radioradioulna(anatomy) The radius and ulna considered as a unitradiowaveAlternative form of radio wave.radiozincradioactive zincradiozoan(rare) Synonym of radiolarian.radiumize(transitive, rare) To treat with radium.radknightSynonym of radman.radtkeite(mineralogy) A monoclinic-prismatic mineral containing chlorine, iodine, mercury, and sulfur.radzimireAlternative spelling of radzimir.raffinase(biochemistry) A form of galactosidase that hydrolyses raffinose.raffinate(chemistry) A solution from which some material has been removed by extraction with an immiscible liquidraffinose(biochemistry) A trisaccharide, composed of galactose, glucose and fructose, that is widely distributed in many plants.raffishlyIn a raffish manner.rafflesia(botany) Any of several large parasitic plants, of the genus Rafflesia, from South East Asia, that have no roots, stems or leaves; Rafflesia arnoldii has the largest known flower with a diameter of over a yard.raftering(UK) The practice by which land is raftered (turning the grass side of each furrow upon an unploughed ridge).raftilose(biochemistry) A prebiotic fructooligosaccharide derived from inulinragabrashAlternative form of ragabash.ragefullyIn a rageful manner.rageholic(slang) A person with a highly volatile temper.ragetweet(ambitransitive, informal) To post an update to Twitter in anger.raggabashAlternative form of ragabash.raggedestsuperlative form of ragged: most raggedraggediercomparative form of raggedy: more raggedyragginessThe state or quality of being raggy.ragpickerA person who collects and sells unwanted household items such as rags and other refuse for a living, a rag and bone man (UK) or ragman (US).ragsellerA person who sells rags.ragsorterSynonym of ragpicker.ragstonesplural of ragstoneraguinite(mineralogy) An orthorhombic bronze mineral containing iron, sulfur, and thallium.raiatwariAlternative form of ryotwari.raidproofResistant to raids or attacks.railborne(rail transport) Carried by train, transported by rail.railbound(rail transport) confined to running on rails.railinged(nonstandard) Having railings.railinglyIn a railing manner, using violent or insulting language.railjointAlternative form of rail joint.railmotor(UK, Australia, rail transport) A lightweight railcar.railroadsplural of railroadrailtrackAlternative spelling of rail track.railtruckSynonym of railroad car.railwagonSynonym of railroad car.railwayac(dated) A railway enthusiast.railwomanA woman who works on a railway.railworksA factory that manufactures rails for railways.raimented(poetic) clothed; dressedrainbandsplural of rainbandrainberrySynonym of riberry.rainbirdsplural of rainbirdrainbootsplural of rainbootrainboundUnable to move or proceed because of heavy rain.rainbowedResembling, involving, or illuminated with a rainbow; patterned with the colours of the rainbow.rainburstA sudden shower of rain.raincheck(transitive, intransitive) To take a rain check on; to postpone.raincloudAlternative spelling of rain cloud.raincoatsplural of raincoatraindriftA sheet of rain blown by the wind.raindropsplural of raindroprainfallsplural of rainfallraingaugeAlternative form of rain gauge.rainguardA thing which protects (something) from rain.raininessThe state or condition of being rainy.rainlightThe dim light that occurs on an overcast and rainy day.rainmakerSomeone or something that causes or attempts to cause rain to fall.rainmeterA pluviometer.rainpantsWaterproof pants to protect the wearer from rain.rainprintOne of the small pits seen on the surface of some argillaceous rocks, believed to be the impressions of raindrops.rainproofwaterproof (for use outdoors); resistant to rainrainscald(pathology) A skin disease made more likely by excessive dampness that facilitates skin penetration by the infectious zoospores; a bacterial infection by Dermatophilus congolensis found mostly in ruminants.rainscapeA landscape dominated by rain.rainshadeAn umbrella; any covering to protect or shield from the elements; an awning to keep out rainrainspoutA spout through which rainwater can drain from the roof of a building, etc.rainstickA hollow tube partially filled with pebbles or beans, and with small pins or thorns arranged helically on its inner surface, so that it produces a rain-like sound when upended.rainstormA storm characterized by substantial, heavy rainfall.rainsweptDescribing a place where it is raining heavilyraintightSo tight as to exclude rain.raintreesplural of raintreeraiseableAlternative form of raisable.raisinate(of grapes) To take on the qualities of raisinsraisinishLike or characteristic of a raisin.rajahnateA state ruled by a rajah.rajahshipThe office or dignity of a rajah.rakehellsplural of rakehellrakehelly(obsolete) Synonym of rakehell.rakemakersomeone who makes rakesrakeshame(obsolete) An objectionable person.rakestaleThe handle of a rake.rakshasasplural of rakshasarallianceThe act of rallying.ralliformBelonging to the rails of family Rallidae.rallygoerOne who attends a rally.raloxifenAlternative form of raloxifene.ramagious(obsolete, rare) wild; not tameramblingsplural of ramblingrambootanObsolete spelling of rambutan.rambostanObsolete form of rambutan.rambutansplural of rambutanrameauite(mineralogy) A monoclinic orange mineral containing calcium, hydrogen, oxygen, potassium, and uranium.ramelteonA particular drug used to treat insomnia.ramifyingpresent participle and gerund of ramifyrammermanA member of the navy employed to operate a ramming device that pushes a projectile into the gun barrel.ramogenicRelating to ramogensramontchiSynonym of Indian plum (“Flacourtia indica”).ramorelixa drug that acts as an LHRH antagonist.rampagingpresent participle and gerund of rampagerampantlyIn a rampant manner.rampartedProvided with a rampart.rampinglyWith rage or violence.rampspeedThe speed at which a parameter is ramped upramraiderA thief who operates by ramraiding.ramroddedsimple past and past participle of ramrodramsayite(mineralogy) Synonym of lorenzenite.ramshornsplural of ramshornramularia(phytopathology) A disease of barley, more fully ramularia leaf spot, caused by fungi of the genus Ramulariaramuscule(archaic) A twig, a small branch.ranalexinAn antimicrobial peptide present in the skin of the bullfrog Rana catesbeianaranaviralRelating to a ranavirusranavirusAny virus of the genus Ranavirus, many of which cause disease in amphibiansrancellor(historical) Synonym of rancelman.rancelman(historical) A kind of constable in Orkney and Shetland, responsible for investigating minor crimes.rancheriaA small settlement in the Americas, especially of Native Americans.rancherie(British Columbia) A First Nations residential area within an Indian reserve in British Columbia.rancherioAlternative form of rancheria.rancherosplural of rancheroranchetteA small ranch or large home lot, often on the outskirts of a major metropolitan area and just past the planned neighborhoods, consisting of 40 acres and a house and possibly a barn or other outbuildings.ranchgirlA female child who tends cattle on a ranch.ranchhandA manual laborer on a ranch, often working under a foreman.ranchlandLand used for ranching, or raising livestockranchlikeResembling or characteristic of a ranch.rancidifyTo make or become rancid.rancidityThe state of being rancid.rancorousFull of rancor; bitter; unforgiving.randinessThe state or condition of being randy.randkluft(geology) The headwall gap between a glacier or snowfield and the adjacent rock face at the back of the cirque or, more loosely, between the rock face and the side of the glacier.randomiseTo arrange randomly; to make randomrandomishSomewhat random; quite random.randomity(uncountable) The state or quality of being random; randomness.randomizeUS and Oxford British English standard spelling of randomise.randoseruA type of backpack worn by Japanese elementary schoolchildren, made of leather or leatherette.rangatira(New Zealand) A hereditary Māori leader of a kinship group; a chieftain or high-born Maori.rangeableVarying within a range.rangefree(mathematics) That is not dependent on a rangerangehoodAlternative spelling of range hood.rangeland(US) Unimproved land that is suitable for the grazing of livestock.rangelessWithout a range (in various senses).rangement(obsolete) arrangementrangerineSynonym of rangiferine.rangeringThe work of a ranger.rangewideAcross an entire rangerangeworkMasonry consisting of horizontal rows of ashlar.ranginessThe state of being rangy.ranixalidAny frog of the family Ranixalidaerankinite(mineralogy) A monoclinic-prismatic mineral containing calcium, oxygen, and silicon.rankogramA graphical illustration of the relative ranks of a group of treatments etc.rankshift(linguistics) To use a phrase as a subunit of a longer oneransackedsimple past and past participle of ransackransackerOne who ransacks.ransackleAlternative form of ramshackle.ranselmanAlternative form of rancelman.ransinghaA primitive S-shaped metal trumpet of India and Nepal.ransomersplural of ransomerransomingpresent participle and gerund of ransomransomite(mineralogy) A monoclinic-prismatic blue mineral containing copper, hydrogen, iron, oxygen, and sulfur.rantinglyWith ranting; speaking loudly and angrily.rantipoleA rude, unruly young person.rantipollAlternative form of rantipole.ranuncula(obsolete) Synonym of ranunculus (“buttercup”).rapacious(also figurative) Voracious; avaricious.rapalogue(medicine) Any of several synthetic drugs that are analogues of rapamycinrapamycin(pharmacology) Alternative form of sirolimus.rapefugee(derogatory, neologism, offensive) A refugee, regarded as being prone to raping people.rapeseedsplural of rapeseedrapeyness(informal) The state or quality of being rapey.raphanoid(rare) Characteristic of a radish.raphelessDescribing the valve of a monoraphid diatom that does not have a rapheraphidianOf or relating to raphides.raphidiid(zoology) Any snakefly of the family Raphidiidae.rapidless(of a river or a stream) Without rapids.rapidnessThe characteristic of being rapid.rapophile(slang) One who loves rap music.rappareesplural of rappareerappelingpresent participle and gerund of rappelrappelledsimple past and past participle of rappelrappellerOne who rappels (descends by rope).rapsheetsplural of rapsheetraptastic(informal) Fantastic or excellent in the context of rap music.raptatory(entomology) Used for seizing preyraptivist(slang) A rapper who is involved in political and/or social activism.raptorialLike or resembling a raptor; seizing or plundering, like a bird of prey.raptorishResembling or characteristic of a raptor.rapturingpresent participle and gerund of rapturerapturiseAlternative form of rapturize.rapturist(religion) One who believes in the rapture.rapturize(transitive) To put in a state of rapture.rapturousFull of rapture.rarefyingpresent participle and gerund of rarefyrarifyingpresent participle and gerund of rarifyrarissimaExtremely rare books, manuscripts, or prints.rasagollaAlternative form of rasgulla.rasamalaiAlternative form of ras malai.rascaldomThe state of being a rascal.rascaless(humorous) A female rascal.rascalionArchaic spelling of rapscallion.rascalismThe behaviour of a rascal; villainy.rascalityRascals collectively; the rabble, the masses.rascalize(transitive, rare) To slander or disparage as a rascal.rasgueado(music) A rhythmical strumming technique commonly associated with flamenco guitar music.rashguardSynonym of rash vest (“a close-fitting garment often worn while surfing or during other water sports under a wetsuit to prevent chafing and provide UV protection or extra warmth”).raslakite(mineralogy) A trigonal-ditrigonal pyramidal brownish red mineral containing calcium, chlorine, hydrogen, iron, niobium, oxygen, silicon, sodium, and zirconium.rasogollaAlternative form of rasgulla.rasopathyAlternative letter-case form of RASopathy.rasorable(obsolete) Alternative spelling of razorable.raspatoryA surgeon's rasp.raspberryThe plant Rubus idaeus.raspinessThe state or characteristic of being raspy.raspinglyIn a rasping way.rasquache(US) Having or relating to a do-it-yourself attitude in Chicano culture; able to make something from nothing, or make do with the resources at hand.rassclaatAlternative form of raasclaat.rassclartAlternative form of raasclaat.rassclothAlternative form of raasclaat.rassolnikA soup in Russian cuisine made from pickled cucumbers.rastellarRelating to rastellarastellumIn certain mygalomorph spiders, a row of stiff spines on the chelicera.rasteringThe rendering of an image using rastersrasteriseUK spelling of rasterize.rasterize(transitive, computing) To convert (an image) into a grid of points, such as a bitmap, for display or printing.rasvumite(mineralogy) An orthorhombic-dipyramidal mineral containing iron, potassium, and sulfur.ratamacue(music) A percussion rudiment consisting of a diddled grace note followed by a triplet and downbeat, with right and left as (LL)RLRL or (RR)LRLR.ratcastle(obsolete, nautical, slang) a prison.ratchelly(UK, dialect) Resembling or containing gravelly stone.ratchetedsimple past and past participle of ratchetrateablesplural of rateable.ratemakerOne who sets the rates to be charged for something.ratemeter(physics) Any of several devices that measure the average rate of radioactive emissions over a specified time interval.ratepayer(chiefly Canada, US) Someone who pays for a public utility or service.ratfishesplural of ratfishratfucker(US, slang, vulgar, derogatory) Someone who engages in sabotage and dirty tricks, especially one involved in the Watergate scandal.ratheness(poetic) The quality of being rathe; earliness.ratheripe(UK, dialect) A variety of apple that ripens early.ratherish(colloquial) Slightly; to a small extent; in some degree.ratholingpresent participle and gerund of ratholeratifiersplural of ratifierratifyingpresent participle and gerund of ratifyratioless(electronics) Not based on the relative sizes of components in a circuit.rationaleAn explanation of the basis or fundamental reasons for something.rationallObsolete form of rational.rationingpresent participle and gerund of rationratissage(economics) A monetary device whereby national reserves are temporarily given up to a central bank.ratsnakesplural of ratsnakerattaningpresent participle and gerund of rattanrattening(obsolete, Northern England) The practice of sabotaging machinery or tools as part of an industrial dispute.ratticideAlternative form of raticide.rattinessThe quality of being ratty.rattishlyIn a rattish manner.rattlebagA mixed bag, or indiscriminate collection.rattleboxA toy or instrument that makes a rattle sound; a rattle.rattlecap(slang, obsolete) An unsteady, volatile person.rattlepodAny of various plants, including Senna covesii and species of Crotalaria and Astragalus, whose seeds rattle in the pod when shaken.rattliestsuperlative form of rattly: most rattlyrattlingsplural of rattlingrattoonedsimple past and past participle of rattoonraubasine(organic chemistry) ajmalicineraucidity(obsolete) The condition of being hoarse or raucous.raucouslyIn a raucous manner; loudly.raunchiercomparative form of raunchy: more raunchyraunchilyIn a raunchy manner, in a lewd way.rauwolfiaAny of several small trees and shrubs, of the genus Rauwolfia, that yield materials of medical use.ravelableCapable of being ravelled.ravelingsplural of ravelingravellinggerund of ravelravelmentconfusion; entanglementravenduckAlternative form of raven's duck.ravenhoodThe property of being a raven.ravenlessWithout a raven.ravenlikeResembling or characteristic of a raven.ravenness(philosophy) The quality of being a raven.ravioliniSmall ravioli.ravishingExtremely beautifulravissant(heraldry) In a half-raised position, as if about to spring on prey.rawhidingpresent participle and gerund of rawhiderawranokeObsolete spelling of roanoke.rayadilloA blue-and-white striped cotton or flannel material used to make the military uniforms worn by Spanish colonial soldiers from the mid 19th century until the early 20th Century.raycaster(computer graphics) A program or algorithm that performs ray casting.raycizzum(alt-right, mockingly) A deliberate misspelling of racismrayfinnedAlternative form of ray-finned.rayographA photogram of the kind produced by Man Ray.rayonnant(heraldry) Giving off rays like those of the sun; rayonné; radiant.raytraced(computer graphics) Produced by ray tracing.raytracerAlternative form of ray tracer.razinodil(pharmacology) A vasodilator.razobazam(pharmacology) A benzodiazepine derivative with nootropic effects.razorable(obsolete) Fit to be shaved.razorback(US, southeastern US, informal) A feral pig.razorbillA large black and white auk of species Alca torda, native to the north Atlantic.razorclamAlternative form of razor clam.razoredgeAlternative form of razor edgerazorfishAny of various not closely related fish, including those of the genera Aeoliscus, Centriscus, and Xyrichtys.razorlessWithout a razor.razorlikeResembling a razor; thus, sharp.razorwireAlternative form of razor wire.razzberry(US, informal) A raspberry (noise made to imitate flatulence).reabandon(transitive) To abandon again.reabolish(transitive) To abolish again.reabridge(transitive) To abridge again.reabsolve(transitive) To absolve again.reaccountTo account again.reaccreteTo accrete again.reachableWithin easy reach; accessiblereachablyIn a reachable way.reachback(military) The ability to exploit resources and capabilities located elsewhere.reachieveTo achieve again.reachlessBeyond reach; unattainable; lofty.reacidifyTo make acidic once againreacquire(transitive) To acquire again.reacquite(obsolete, transitive) To requite.reactableAble to react chemically; reactive.reactanceA similar effect in magnetism.reactantsplural of reactantreactionsplural of reactionreactuateTo actuate again.reacylateTo acylate again, or after deacylationreadahead(computing) The operation of reading data from a storage medium in advance so that it is immediately available when requested.readaptedsimple past and past participle of readaptreadathonAn event during which people read books in order to raise money for charity.readcountAlternative form of read count.readdress(transitive) To address, direct, or deal with again.readerdomThe realm, sphere, influence, or body of readers; readers collectively; readership.readeress(dated, rare) A female reader.readimentThe state or process of readying; preparation.readinessThe state or degree of being ready; preparedness.readjournTo adjourn again.readjuststhird-person singular simple present indicative of readjustreadoptedsimple past and past participle of readoptreadtable(programming) In Lisp and related languages, a data structure specifying how text characters are to be interpreted syntactically.readvanceAnother advancereadymadeAlternative form of ready-made.reaffirmsthird-person singular simple present indicative of reaffirmreafflict(transitive) To afflict again.reagitateTo agitate againrealignedsimple past and past participle of realignrealignerOne who, or that which, realignsrealisersplural of realiserrealising(UK) present participle and gerund of realiserealisticExpressed or represented as being accurate, practicable, or not idealistic.realitiesplural of reality.realizersplural of realizerrealizingpresent participle and gerund of realizerealmless(rare, poetic) Without a realm.realspace(science fiction) Normal, three-dimensional space; as opposed to hyperspace.reaminess(UK, dialectal) Dizziness.reamplifyTo amplify againreanalyseNon-Oxford British English standard spelling of reanalyze.reanalyzeTo analyze again.reanimateBeing animate again.reapparel(transitive, archaic) To clothe again.reappearsthird-person singular simple present indicative of reappearreappease(transitive) To appease again.reapplaud(transitive) To applaud again.reappliedsimple past and past participle of reapplyreappoint(transitive) To appoint again.reappriseto apprise againreapprove(transitive) To approve again.rearchive(transitive) To archive again.rearendedsimple past and past participle of rearendrearguard(military) The rearmost part of a force, especially a detachment of troops that protect the rear of a retreating force.rearguingpresent participle and gerund of rearguerearhorse(rare) Alternative form of rear-horse.rearmouseAlternative form of reremouse.rearousalThe process of arousing again.rearraignTo arraign again.rearrange(transitive) To change the order or arrangement of (one or more items).rearrivalarrival again; second or subsequent arrivalrearsight(firearms) A sight at the rear of a weapon.reasonersplural of reasonerreasoning(countable) A Rastafari meeting held for the purposes of chanting, prayer and discussion.reasonist(obsolete) A rationalist.reasonous(rare, nonstandard) Synonym of reasonable.reassaultTo assault again.reassertsthird-person singular simple present indicative of reassertreassumedsimple past and past participle of reassumereassumesthird-person singular simple present indicative of reassumereassuredsimple past and past participle of reassurereassurerSomeone who reassures.reassuresthird-person singular simple present indicative of reassurereattempt(transitive) To attempt again.reattract(transitive) To attract again or anew.reauction(transitive) To auction again.reaugment(transitive) To augment again.reautopsyA second or subsequent autopsy of the same body.reawakensthird-person singular simple present indicative of reawakenrebackingpresent participle and gerund of rebackrebadgingpresent participle and gerund of rebadgerebalanceTo balance again.reballast(rail transport) To renew the ballast under railway track.reballingThe catching of eels with earthworms fastened to a ball of lead.rebandageTo bandage again; to apply a further bandage.rebaptiseAlternative form of rebaptize.rebaptismA second or subsequent baptism; the act or ceremony of rebaptizing.rebaptize(transitive) To baptize again.rebargain(transitive) To arrange (a deal or bargain) again or differently.rebatableEligible for a rebate.rebatmentA rotation of an orthographic view of a construction into the plane of another orthographic view along the line of intersections between the two planes.rebavirinMisspelling of ribavirin.rebbetzin(Judaism) The wife of a rabbi.rebelhoodThe state or condition of being a rebel; rebellion.rebelieve(transitive) To believe again.rebellikeResembling or characteristic of a rebel; rebellious.rebellingpresent participle and gerund of rebelrebellion(uncountable) Armed resistance to an established government or ruler.rebellousArchaic form of rebellious.rebelsomeCharacteristic of a rebel; marked by rebellion or rebelliousnessrebesiege(transitive) To besiege again.rebindingpresent participle and gerund of rebindrebirtherOne who takes part in the New Age process of rebirthing.reblackenTo blacken again.reblanket(transitive) To blanket again.reblochonA soft French cow's-milk cheese from the Alpine region of Savoie.rebloggerA person who reblogsrebloomerA flower that blooms more than once in a year.reblossom(intransitive) To blossom again or anew.reboantic(poetic) Reverberating.reboarder(rare) One who boards a vehicle again.reboationA loud reverberation; the echo of a bellow or roar.reboilingpresent participle and gerund of reboilrebolster(transitive) To bolster again.rebookingpresent participle and gerund of rebookrebootingpresent participle and gerund of rebootreborningThe art of transforming manufactured vinyl dolls so that they resemble real human babies.rebottlerOne who rebottles.reboundedsimple past and past participle of reboundrebounderOne who rebounds.rebracket(grammar, transitive) To cause to undergo rebracketing.rebrandedsimple past and past participle of rebrandrebranderOne who, or that which, rebrands.rebreatheTo breathe in air that has been exhaled.rebristle(transitive) To fit with new bristles.rebuffingpresent participle and gerund of rebuffrebuilderOne who, or that which, rebuilds.rebukableDeserving a rebuke; shameful.rebukeful(obsolete) Full of rebuke; highly critical.reburgeonTo burgeon again.reburialsplural of reburialreburnish(transitive) To burnish again.reburyingpresent participle and gerund of reburyrebuslikeResembling or characteristic of a rebus.rebuttalsplural of rebuttalrebuttersplural of rebutterrebuttingpresent participle and gerund of rebutrecablingpresent participle and gerund of recablerecalcify(intransitive) To calcify again.recalcine(transitive) To calcine again.recalesce(intransitive) To undergo recalescence.recallersplural of recallerrecallingpresent participle and gerund of recallrecallismA radical Bolshevik policy demanding that the Russian Social Democratic Labour Party cease all participation in legal state establishments and recall its representatives from the duma.recallistA proponent of recallism.recalmentAlternative form of recallment.recantersplural of recanterrecantingpresent participle and gerund of recantrecanvass(transitive) To canvass again or anew.recappingpresent participle and gerund of recaprecaption(law) The lawful claim and recovery, by a person, of goods wrongly taken from himrecaptureThe act of capturing again.recarnify(obsolete) To convert again into flesh.recastingpresent participle and gerund of recastrecatalogUS standard spelling of recatalogue.reccomendMisspelling of recommend.receiptedsimple past and past participle of receiptreceipterAlternative form of receiptor.receiptor(law) One who receipts for property taken by the sheriff; one to whom property is delivered for storage or safekeeping, subject to a bond to produce it when litigation concludes.receiversplural of receiverreceivingpresent participle and gerund of receiverecensionA census, an enumeration, a review, a survey.recensure(transitive) To censure again.recentish(colloquial) Somewhat recent; not long ago.recentism(rare) A focus on recent events to the exclusion of history.receptary(obsolete) Generally or popularly admitted or received.receptionThe act of receiving.receptiveCapable of receiving something.receptome(biochemistry) The complete set of receptors found in an organismreceptorsplural of receptorreceptory(obsolete) A receptacle, a container .receptual(psychology) Of or relating to recepts.recertify(transitive) To certify again.recessingpresent participle and gerund of recessrecessionThe act or an instance of receding or withdrawing.recessiveGoing back; receding.rechamberTo rebore or alter the chamber of (a firearm).rechamfer(transitive) To chamfer again.rechannelTo channel in a new or different way.rechargedsimple past and past participle of rechargerechargerThat which recharges, especially a device for recharging an electrical item.rechargesthird-person singular simple present indicative of rechargerecharterTo charter againrechasten(transitive) To chasten again.rechauffeAlternative spelling of réchauffé.recheckerOne who checks something again.rechelateTo chelate again.rechercheAlternative form of recherché.rechlesseObsolete form of reckless.reciliateTo cause or to undergo reciliation.recipientOne who receives.reciprock(obsolete) reciprocalrecircuit(transitive) To redirect (a signal etc.) by, or as if by, changing the connections in an electrical circuit.recissionAlternative spelling of rescission.recitableCapable of being recited.recitatif(music) Alternative form of recitative.reckoningpresent participle and gerund of reckonreclaimedHaving been acquired by the process of reclaiming.reclaimerOne who reclaims.reclarify(transitive) To clarify again.recleaner(technology) That which cleans something again.recleanse(transitive) To cleanse again.reclinant(heraldry) Bending or leaning backward.reclinate(botany, entomology) bent downward, so that the point is lower than the base.reclinersplural of reclinerrecliningCapable of being reclined, or moved into a more horizontal position.reclosurethe act of closing (something that was opened) againreclusely(archaic) In a recluse or solitary manner.recluseryAlternative form of reclusory.reclusionLife as a recluse.reclusiveOf, characterized by, or preferring privacy and isolation; secluded.reclusoryThe place someone uses as a recluse; a hermitage.reclusterTo cluster together the particles of an aerosol, often by coolingrecoatingpresent participle and gerund of recoatrecoctionA second coction or preparationrecogniseNon-Oxford British English standard spelling of recognize.recognize(transitive) To acknowledge the existence or legality of; to treat as valid or worthy of consideration.recoilingThe act of something that recoils.recoinage(now chiefly historical) A recoining of money.recoiningpresent participle and gerund of recoinrecollate(transitive) To collate again or differently.recollectTo recall; to collect one's thoughts again, especially about past events.recollideTo collide again.recoloredsimple past and past participle of recolorrecombine(genetics, ambitransitive) To combine again, especially to reassemble the parts of something previously taken apart in a different manner.recombingpresent participle and gerund of recombrecomfort(transitive, now rare) To console (someone); to comfort, look after.recommend(transitive) To bestow commendation on; to represent favorably; to suggest, endorse or encourage as an appropriate choice.recomment(transitive, programming) To convert (a portion of source code, configuration, etc.) back to a comment, so that it no longer takes effect.recompactTo compact again.recompare(transitive) To compare again.recompeteTo compete again.recompile(transitive) To compile again.recompose(transitive) To compose or construct again.recompost(transitive) To compost again.recomputeTo compute again.reconceal(transitive) To conceal again.reconcedeTo concede again.reconcile(ambitransitive) To restore a friendly relationship; to bring back or return to harmony.reconcoct(transitive) To concoct again.recondemn(transitive) To condemn again.recondite(of areas of discussion or research) Difficult, obscure.reconduct(transitive) To conduct again or back.reconfessTo confess again or anew.reconfideTo confide to someone new.reconfine(transitive) To confine again.reconfirmTo confirm again; to establish more firmlyreconformTo conform again.reconfuse(transitive) To confuse again.recongealTo congeal again.recongestTo congest again.reconjoinTo join or conjoin again.reconjureTo conjure back; to bring something back as if by magicreconnect(ambitransitive) To connect again or differently.reconquerTo conquer again.reconsentA second or subsequent consent.reconsignConsign again.reconsoleTo console again.reconsult(transitive) To consult again.reconsume(transitive) To consume again.recontactTo contact again.recontestTo contest againrecontour(transitive) To contour again or anew.recontrol(transitive) To subject (something) to new control.reconvene(transitive) To resume something that has been convened and then paused.reconvert(ambitransitive) To convert again, convert back.reconvictTo convict againreconvokeTo convoke again.recoolingpresent participle and gerund of recoolrecoppice(transitive) To coppice again.recopyingpresent participle and gerund of recopyrecordersplural of recorderrecordingpresent participle and gerund of recordrecordistSomeone who makes sound recordings.recordset(databases) A data structure consisting of a group of database records.recorkingpresent participle and gerund of recorkrecorrectTo correct again (possibly undoing a previous 'correction').recorrupt(transitive) To corrupt again.recostingpresent participle and gerund of recostrecostume(transitive) To costume again or anew.recountalAct of recounting.recountedsimple past and past participle of recountrecounterOne who recounts; the teller of a tale or experience.recoupingpresent participle and gerund of recouprecoursesplural of recourserecoveredsimple past and past participle of recoverrecoveree(law, historical) The person against whom a judgement is obtained in common recovery.recovererOne who recovers.recoverin(biochemistry) A calcium-binding protein found in the photoreceptor cell of the eye.recoveror(law) The demandant in a common recovery after judgment.recreanceDated form of recreancy.recreancyThe quality or state of being recreant; shameful cowardice; perfidy.recreantsplural of recreantrecreatedsimple past and past participle of recreaterecreatesthird-person singular simple present indicative of recreaterecreatorOne who recreates.recrementWaste matter or dross.recrossedCrossed a second time.recrossesplural of recrossrecrucify(transitive) To crucify again.recruitedsimple past and past participle of recruitrecruiteeA person who is recruited.recruiterAgent noun of recruit; one who recruits, particularly one employed to recruit others.recrumpleTo crumple again.recrusherA device for further crushing material that has already been through a larger crusher.rectalgia(medicine) Pain in the rectum.rectangle(geometry) Any quadrilateral having opposing sides parallel and four right angles.rectifiedSimple past and past participle of rectify.rectifierSomething that rectifies.rectifiesthird-person singular simple present indicative of rectifyrectitudeStraightness; the state or quality of having a constant direction and not being crooked or bent.rectoanal(anatomy) Of or pertaining to the rectum and anus.rectocele(pathology) A hernia of the rectum into the vagina.rectopexy(surgery) surgical fixation of the bowelrectorateSynonym of rectorship.rectoressA governess; a rectrix.rectorialRelating to a rector.rectoriesplural of rectoryrectorite(mineralogy) A monoclinic mineral containing aluminum, calcium, hydrogen, oxygen, potassium, silicon, and sodium.rectotomy(surgery) The operation for dividing a rectal stricture.rectricesplural of rectrixreculture(transitive) To change the culture of (a social institution).recurable(obsolete, rare) Curable, restorable.recurrentRecurring; happening time after time.recurringHappening or occurring frequently, with repetition.recursant(heraldry, especially of an eagle) Having its back towards the observer.recursionThe act of recurring.recursivedrawing upon itself, referring back.recurtain(transitive) To fit with new curtains.recurvateTo bend or curve back; to recurve.recurvous(archaic) recurvedrecusableThat can be challenged or objected to.recusanceAlternative form of recusancy.recusancyObstinate refusal or opposition.recusantsplural of recusantrecushion(transitive) To fit with new cushions.recussionThe act of beating or striking back.recuttingpresent participle and gerund of recutrecyclateRaw material sent to, and processed in, a waste recycling plant or materials recovery facility.recyclersplural of recyclerrecyclingThe practice of sorting and collecting waste materials for new use.recyclistA recycler; one who recycles.recyclize(chemistry, of fragments formed by breaking a ring) To reform into a ring again (often of a different structure)redactingpresent participle and gerund of redactredaction(countable) An edited or censored version of a document; a product resulting from the process of editing or censoring.redactiveInvolving or relating to redaction.redactorsplural of redactorredamancy(rare) The act of loving in return.redammingpresent participle and gerund of redamredbaiterAlternative form of red-baiter.redbreastAny of several unrelated birds that have a red breastredcedarsplural of redcedarredcoatedsimple past and past participle of redcoatreddendum(law) A clause in a deed by which some new thing is reserved out of what had been granted before; the clause by which rent is reserved in a lease.reddeningpresent participle and gerund of reddenreddishlyWith a colour resembling red.redditionrestoration; restitution: surrenderredditive(grammar) Answering to an interrogative or inquiry; conveying a reply.redeceive(transitive) To deceive again.redeclare(transitive) To declare again or anew.redeclineTo decline again.redecraft(obsolete) The class of subjects for study that rely upon logic and reasoning, as opposed to experimentation and observation.redeemersplural of redeemerredeemingCompensating for the faults of someone or something.redefault(finance) A default on a mortgage which has already been modified due to borrower hardshipredefinedsimple past and past participle of redefineredefinerOne who or that which redefines.redefinesthird-person singular simple present indicative of redefineredeflect(transitive) To deflect again.redeliverTo give back; to return (something).redemptorOne who redeems (especially used of Jesus).redeposit(transitive) To deposit again.redeprive(transitive) To deprive again.redescend(ambitransitive) To descend again (often following an ascent)redescentThe act of descending again.redesignsplural of redesignredestroy(transitive) To destroy again.redevelop(transitive) To develop again or differently.redevolve(transitive) To devolve again.redfishesplural of redfishredflowerAlternative form of red flower (a flower which is red, such as one which yields red dye).redhairedAlternative form of red-haired.redhandedAlternative spelling of red-handed.redheaded(of a person) Having red hair.redialingpresent participle and gerund of redialrediallerAlternative form of redialer.redictate(transitive) To dictate again.rediffuseTo diffuse again.redigressTo digress again, especially to digress from a digression.rediluteddiluted againredingoteA women's dress coat or long fitted coat with a flared skirt.redirectsplural of redirectredisable(transitive) To disable again.rediscussTo discuss again.redismiss(transitive) To dismiss again.redisplayTo display again.redisposeTo dispose again; to sell on.redispute(transitive) To dispute again or anew.redissect(transitive) To dissect again.redistill(transitive) To distill again, especially in order to purify.redisturb(transitive) To disturb again.redividedsimple past and past participle of redivideredivivus(chiefly figurative, postpositive) Living again; brought back to life.redivorceA divorce that terminates a remarriage.redlightsthird-person singular simple present indicative of redlightredliningThe process of or an instance of redlining.redlippedHaving red lips.redneckedUsed to describe various creatures with red necks.redockingA method of producing a ligand-protein complexredolence(uncountable) The quality of being redolent.redolencyAlternative form of redolence.redophile(slang) A person who is attracted to redheads.redoubledsimple past and past participle of redoubleredoublesthird-person singular simple present indicative of redoubleredoubtedsimple past and past participle of redoubtredoundedsimple past and past participle of redoundredraftedsimple past and past participle of redraftredraughtAlternative form of redraft.redrawingpresent participle and gerund of redrawredressal(India, otherwise dated) Redress.redressedsimple past and past participle of redressredresserOne who grants redress.redressesplural of redressredressorAlternative form of redresser.redrimmedAlternative form of red-rimmed.redshanksplural of redshankredshiftsplural of redshiftredstartsplural of redstartredstreakA kind of apple with the skin streaked with red and yellow, a favourite English cider apple.redtapismAlternative form of red-tapism.redthroatA small Australian songbird, Pyrrholaemus brunneus, with a red central part of the throat.redubbingpresent participle and gerund of redubreducibleCapable of being reduced.reduciblyIn a reducible manner.reductant(chemistry) Synonym of reducing agent.reductase(biochemistry) An enzyme that chemically reduces its substrate.reductionThe act, process, or result of reducing.reductive(Scots law, now rare) Pertaining to the reduction of a decree etc.; rescissory.reductone(organic chemistry) Any of several strong, acidic reducing agents that are enediols, often derived from sugars by oxidationreduncineOf, pertaining to or resembling antelopes in the bovid subfamily Reduncinae, which includes kobs, lechwes, reedbucks, waterbucks, etc.redundantSuperfluous; exceeding what is necessary, no longer needed.redundentMisspelling of redundant.reduviidsplural of reduviidreduvioidResembling the Reduviidae.reechoingpresent participle and gerund of reechoreedbirdsplural of reedbirdreedbucksplural of reedbuckreedgrass(US) Any of the grasses in the genus Calamagrostis.reedinessThe condition of being reedyreeditingpresent participle and gerund of reeditreeditionAlternative spelling of re-edition.reedlingsplural of reedlingreedpipesplural of reedpipereedstopsplural of reedstopreeducate(transitive) To educate or teach again, especially in order to remove bad practices.reefpoint(nautical) Any of a series of short ropes attached to a sail that are used to secure it when reefed.reefscapeThe landscape of a reefreekinglySo as to reek or stink; pungently.reelectedsimple past and past participle of reelectreelevateAlternative spelling of re-elevate.reelinglyWith a reeling motion.reembraceTo embrace again.reemergedsimple past and past participle of reemergereenactedsimple past and past participle of reenactreenactorOne who reenacts.reenchant(transitive) To enchant again.reencoderAlternative form of re-encoder.reencryptTo encrypt again.reenforceAlternative spelling of re-enforce.reengagedsimple past and past participle of reengagereengraftTo engraft againreengraveTo engrave again.reenlargeTo enlarge again.reenslave(transitive) To enslave again.reenteredsimple past and past participle of reenterreentrainTo entrain again or differentlyreentrantReentering; pointing inward.reentriesplural of reentryreentrustAlternative spelling of re-entrust.reenverse(obsolete, transitive) To reverse.reermouseAlternative form of reremouse.reeveshipThe state or business of a reeve.reevesite(mineralogy) A trigonal-hexagonal scalenohedral mineral containing carbon, hydrogen, iron, nickel, and oxygen.reexamineAlternative spelling of re-examine.reexecuteTo execute (a task) againreexhibit(transitive) To exhibit again.reexplainAlternative spelling of re-explain.reexplore(transitive) To explore again.reexportsthird-person singular simple present indicative of reexportreexpressTo state againreextractto extract againrefaction(obsolete) recompense; atonement; retributionrefarming(US, Australia, telecommunications) The abolition of existing band allocations in the radio spectrum and the more efficient reallocation of the spectrum into smaller bands.refashion(transitive) To fashion again or anew.refattingThe replenishment of lipids to the skin.refectionMental or spiritual refreshment.refectiveThat which refreshes.refectoryA dining hall, especially in an institution such as a college or monastery.refeedingpresent participle and gerund of refeedreferableAlternative form of referrable.reference(literary or archaic) A relationship or relation (to something).referenda(formal) plural of referendumreferentsplural of referentrefermentTo ferment again.referralsplural of referralreferringpresent participle and gerund of referrefillingpresent participle and gerund of refillrefilmingpresent participle and gerund of refilmrefinableCapable of being refinedrefinance(finance, transitive) To renew the terms of a loan.refindingpresent participle and gerund of refindrefinedlyin a refined mannerrefitmentThe act of refitting, or the state of being refitted.refittingpresent participle and gerund of refitreflaggedsimple past and past participle of reflagreflation(economics) The act of restoring a deflated general level of prices to a previous or desired level.reflectedsimple past and past participle of reflectreflecterAlternative form of reflector.reflectin(biochemistry) A protein, found in certain squids, that self-organizes into a film of regularly spaced stripes, the separation of which functions as a tunable diffraction grating to produce a range of reflective colours in the animal's skinreflectorSomething which reflects heat, light or sound, especially something having a reflecting surface.reflexingpresent participle and gerund of reflexreflexion(grammar, linguistics) An act or instance of referring back to the subject of a sentence, or of having an object equal to the subject.reflexity(archaic) reflectivityreflexive(grammar) Referring back to the subject, or having an object equal to the subject.refloatedsimple past and past participle of refloatreflowingpresent participle and gerund of reflowrefluenceThe state or quality of being refluent, of flowing back.refluencyAlternative form of refluence.refluxateMaterial that has been subject to reflux, especially stomach acid that has leaked up into the oesophagus.refluxingpresent participle and gerund of refluxrefocusedsimple past and past participle of refocusrefocuserOne who or that which changes focus.refoldase(biochemistry) Any enzyme that catalyzes refolding of a proteinrefoldingpresent participle and gerund of refoldrefoliateTo undergo refoliationrefootingpresent participle and gerund of refootreforbadesimple past of reforbidreforgavesimple past of reforgivereforgingpresent participle and gerund of reforgereforgiveTo forgive again.reformade(obsolete) A reformado.reformadoA monk of a reformed order.reformate(petrochemistry) The product of a hydrocarbon reforming process; an intermediate in the production of fuels such as gasoline.reformatsthird-person singular simple present indicative of reformatreformersplural of reformerreformingpresent participle and gerund of reformreformismAny of several movements that promote reformreformist(politics) Advocating reform of an institution or body.refortifyfortify againreforwardTo forward again, to forward something that has already been forwarded.refoundedsimple past and past participle of refoundrefounderOne who refounds.refoveateTo foveate again or anew; to reangle one's eyes such that the foveae are directed at a different object.refractedsimple past and past participle of refractrefractorA refracting telescope.refrainedsimple past and past participle of refrainrefrainerOne who refrains.reframingpresent participle and gerund of reframerefreezesthird-person singular simple present indicative of refreezerefreshedsimple past and past participle of refreshrefreshen(transitive) To freshen again.refresherSomething that refreshes.refreshesthird-person singular simple present indicative of refreshrefudiate(nonstandard) To repudiate, to oppose.refueling(American spelling) present participle and gerund of refuelrefuelled(British) simple past and past participle of refuelrefuellerAlternative spelling of refueler.refulgentResplendent, or shining brightly and radiantly.refundingpresent participle and gerund of refundrefurbish(transitive) To rebuild or replenish with all new material; to restore to original (or better) working order and appearance.refurnish(transitive) To furnish again; to get new furniture for.refusableThat can be refused.refusenik(Soviet Union, historical, slang) One of the citizens of the former Soviet Union who was refused permission to emigrate (typically but not exclusively a Jewish citizen denied permission to immigrate to Israel).refutableAble to be refuted, or shown to be false.refutablySo as to be refutable.regainingpresent participle and gerund of regainregalecid(ichthyology) Any fish in the family Regalecidae, the oarfishes.regalnessThe quality of being regal.regardant(heraldry, of an animal) With the head turned toward the back of the body.regardingpresent participle and gerund of regardregarnish(transitive) To garnish again.regelatesthird-person singular simple present indicative of regelateregenciesplural of regencyregenesisrenewal; rebirthregentessA female regent.reggaeish(music) Similar to reggae.reggaetonA style of Latin American popular music, originally developing from reggae in Panama but now more of a type of hip hop-dance music mainly associated with Puerto Rico.reggeatonMisspelling of reggaeton.reggeized(physics) Subject to reggeizationregicidalOf or pertaining to regicide.regiciderA regicide; one who kills a king.regicidesplural of regicideregildingpresent participle and gerund of regildregimentsplural of regimentregiminal(medicine) Of or relating to regimen.reginalds(Australia, rhyming slang) undies.reginally(rare) In a reginal manner.regiolectA lect spoken in a particular geographical region.regionaryOf or pertaining to an ecclesiastical region.regionfulthe amount that a region can hold.regioningA division into, or splitting across, regions.regionismregionalism; a tendency to administer an area as separate regionsregionletA small regionregistersplural of registerregistrarAn official keeper or recorder of records.registreeA person who is registeredregistresplural of registreregladden(transitive) To gladden again.reglement(obsolete) regulationregmacarp(botany, obsolete, rare) A fruit which, when mature, splits open to release its seeds; a dehiscent fruit.regnative(obsolete) ruling; governingregnicide(obsolete, rare) One who destroys a kingdom.regosolicRelating to regosols.regradingpresent participle and gerund of regraderegratery(obsolete) The act or practice of regrating; buying commodities in order to sell them.regratify(transitive) To gratify again.regratingpresent participle and gerund of regrateregressedsimple past and past participle of regressregresserOne who regresses.regressesthird-person singular simple present indicative of regressregressorSomething that regresses, or causes regression.regretfulFull of feelings of regret, indulging in regrets.regretingArchaic form of regretting.regrettedsimple past and past participle of regretregretterOne who regrets.regrinderA device for regrinding.regrooverOne who, or that which, regrooves.regroupedThat has been paused and become organized again.regrouperOne who regroups.regrowingpresent participle and gerund of regrowregrowthsplural of regrowthregruntle(humorous) To return to humour; to cause a disgruntled person to cease being upset.reguerdon(obsolete, transitive) To recompense or reward.regulableOf or pertaining to being controllable; able to be made subject to regulation.regularlyWith constant frequency or pattern.regulatedsimple past and past participle of regulateregulateeA person or organisation that is subject to regulationregulatesthird-person singular simple present indicative of regulateregulatorA device that controls or limits something.regulizedsimple past and past participle of regulizerehabbingpresent participle and gerund of rehabrehairingpresent participle and gerund of rehairrehandlerOne who rehandles something.reharlingpresent participle and gerund of reharlreharness(transitive) To harness again.reharvestTo harvest againrehashingpresent participle and gerund of rehashrehearingpresent participle and gerund of rehearrehearsalA preparatory activity analogous to a rehearsal (sense 1).rehearsedsimple past and past participle of rehearserehearserSomeone who rehearses.rehearsesthird-person singular simple present indicative of rehearserehearten(transitive) To hearten again.reheatersplural of reheaterreheatingThe act of making something hot again.rehoboamsplural of rehoboamreholster(transitive) To replace (a weapon) in its holster.rehomableAble to be rehomed.rehousingpresent participle and gerund of rehouserehydrateTo resupply with water that has been removed or lost; to moisten something that has dried.reichtard(slang, derogatory, offensive, vulgar) A racist and ignorant rightist.reichturd(Internet slang, derogatory, offensive) A racist and ignorant rightist.reifiableCapable of being reified.reignitedsimple past and past participle of reignitereigniterA device for reigniting something.reignitesthird-person singular simple present indicative of reignitereignitorAlternative spelling of reigniter.reimagineTo imagine or conceive something in a new wayreimburse(transitive) To compensate (someone) with payment; especially, to repay money spent on someone's behalf.reimmerseTo immerse againreimplace(obsolete, transitive) To replace.reimplantTo implant againreimposerOne who reimposes something.reimposesthird-person singular simple present indicative of reimposereimpress(transitive) To impress again or anew.reimprintTo imprint again.reimprove(transitive) To improve again.reincense(transitive, rare) To rekindle.reincludeTo include again something that was previously excludedreindeersplural of reindeerreindulgeTo indulge again.reinerite(mineralogy) An orthorhombic-dipyramidal mineral containing arsenic, oxygen, and zinc.reinflame(ambitransitive) To inflame again.reinflateTo inflate or fill with air again.reinflict(transitive) To inflict again.reinforce(transitive) To strengthen, especially by addition or augmentation.reinhabitTo inhabit again (after living elsewhere)reinkableAlternative spelling of re-inkable.reinquireTo inquire again.reinspect(transitive) To inspect again.reinspireto inspire again.reinstallTo install again.reinstate(transitive) To restore to a former position or rank.reinstillTo instill again or anew; to cause a quality to become part of the nature of someone or something again.reinsuredsimple past and past participle of reinsurereinsurer(insurance) A provider of reinsurance.reintrudeTo intrude again.reinvader(biology) Something that reinvades.reinventsthird-person singular simple present indicative of reinventreinvoice(transitive) To invoice again; to send a second or subsequent invoice for the same goods.reinvolve(transitive) To involve again.reisolate(transitive, biology, chemistry) To isolate again.reissuingpresent participle and gerund of reissuereistafelAlternative form of rijsttafel.reitemize(transitive) To itemize again.reiterantReiterating; repeating.reiterate(transitive) To say or do (something) for a second time, such as for emphasis.rejectageRejected material.rejectfulTypified by an attitude of rejection; nonacceptingrejectingpresent participle and gerund of rejectrejectionThe act of rejecting.rejectiveTending to reject.rejectorsplural of rejectorrejigginggerund of rejig: an act of rearranging or tweaking.rejoicingpresent participle and gerund of rejoicerejoinder(law) The defendant's answer to the replication.rejoiningpresent participle and gerund of rejoinrejudgingpresent participle and gerund of rejudgerejustify(transitive) To justify again.rekindledsimple past and past participle of rekindlerekindlerOne who, or that which, rekindles.rekindlesthird-person singular simple present indicative of rekindlereknownedMisspelling of renowned.relabeledsimple past and past participle of relabelrelabelerOne who relabels.relacquerTo lacquer again.relampingpresent participle and gerund of relamprelapsersplural of relapserrelapsingpresent participle and gerund of relapserelascopeAn instrument for forest inventory, consisting of a sight hole and marked scales, primarily used to find the height, basal area and diameter of a tree anywhere along the bole.relatableAble to be related to something else; connected with.relatablyIn a relatable manner.relatedlyIn a related manner.relationsplural of relationrelatival(grammar) relativerelativesplural of relativerelaunderTo launder again.relavenceMisspelling of relevance.relaxableAble to be relaxed; capable of being relaxed.relaxacon(fandom slang) An informal science fiction convention with no schedule.relaxantsplural of relaxantrelaxatorThat which relaxesrelaxedlyIn a relaxed manner.relaxiconAlternative form of relaxacon.relearnedsimple past and past participle of relearnrelearnerOne who relearns.releaseesplural of releaseereleasersplural of releaserreleasingpresent participle and gerund of releaserelegableSuitable for being relegated.relegatedsimple past and past participle of relegaterelegatesthird-person singular simple present indicative of relegaterelegatorOne who relegates.relentfulhesitant, reluctantrelentingThe act of one who relents.relettingpresent participle and gerund of reletrelevanceThe property or state of being relevant or pertinent.relevancy(law, Scotland) Sufficiency (of a statement, claim etc.) to carry weight in law; legal pertinence.reliantlyIn a reliant manner.relicenseTo issue a renewed licensereliclikeResembling or characteristic of a relic.relictionthe gradual loss of water from a river, lake, etc. to leave permanent dry landrelictualOf or pertaining to a relict.reliefful(obsolete) Giving relief; relieving.relieversplural of relieverrelievingpresent participle and gerund of relievereligatedligated againrelightedsimple past and past participle of relightrelighten(transitive) To lighten again.relighterOne who, or that which, relights.religieux(historical) A man bound by monastic vows; a monk.religionsplural of religionreligioseSuperficially religious, especially in an affected or sentimental way.religiousConcerning religion.religtardAlternative form of religitard.relinkagelinkage again or anewrelinkingpresent participle and gerund of relinkreliquary(religion) A container to hold or display religious relics.reliquefy(transitive) To liquefy again.reliquiaeRemains, especially of fossil organisms.reliquialAlternative form of relict (relating to a relic)reliquianOf, pertaining to, or of the nature of relics.reliquify(transitive) To liquify again.relishingpresent participle and gerund of relishrelistingpresent participle and gerund of relistrelivableAble to be relived, able to be experienced again.reloadingpresent participle and gerund of reloadrelocatedsimple past and past participle of relocaterelocateesomeone who has been relocated (moved to a new home)relocatesthird-person singular simple present indicative of relocaterelocatorOne who, or that which, relocates.relomycin(pharmacology) A macrolide antibiotic.relucencyDispersion of light within the eye (leading to loss of focus), a typical symptom of cataracts.reluctantNot wanting to take some action; unwilling to do something.reluctate(obsolete) To be reluctant; to resist or oppose.reluminedsimple past and past participle of relumineremachine(transitive) To machine again.remagnify(transitive) To magnify again.remailersplural of remailerremailingpresent participle and gerund of remailremainderA part or parts remaining after some has/have been removed or already occurred.remainingpresent participle and gerund of remainremakableCapable of being remade.remandingpresent participle and gerund of remandremanence(physics) The magnetization left behind in a medium after an external magnetic field is removed.remanencyAlternative form of remanence.remanningpresent participle and gerund of remanremappingpresent participle and gerund of remapremarkingpresent participle and gerund of remarkremarquedHaving a remarque.remarriedsimple past and past participle of remarryremarrierOne who remarries.remarriesthird-person singular simple present indicative of remarryremarshalTo marshal again; to rearrange.remassage(medicine) To massage again.rematchedsimple past and past participle of rematchrematchesplural of rematchrembetikoAlternative form of rebetiko.remeanderTo restore meanders to a previously straightened river.remeasure(transitive) To measure again.remediate(transitive) To correct or improve (a deficiency or problem).remedyingpresent participle and gerund of remedyremeltingpresent participle and gerund of remeltremembersthird-person singular simple present indicative of rememberremenanceMisspelling of remanence.rementionA subsequent mentionremeshingThe act of defining a surface in terms of a new digital meshremessage(rare) To message again.remigrantA migrant who returns to their former country.remigrateTo migrate again.remikiren(pharmacology) A renin inhibitor under development for the treatment of hypertension.remindersplural of reminderremindfulThat serves to remind one of something; reminiscent.remindingpresent participle and gerund of remindreminisce(intransitive) To recall the past in a private moment, often fondly or nostalgically.remintingpresent participle and gerund of remintremissfulInclined to remit punishment; clement, lenient.remissionA pardon of a sin; (chiefly historical, also figuratively) the forgiveness of an offence, or relinquishment of a (legal) claim or a debt.remissiveRemitting; forgiving; abating.remissoryServing or tending to pardon, or to secure remission.remitlessWithout remit or letup.remitment(archaic) The act of remitting; remission.remittalsplural of remittalremittant(rare) Alternative form of remittent.remittentAlternately increasing and decreasing in severity or intensity.remittersplural of remitterremittingpresent participle and gerund of remitremixableSuitable for remixing.remixtureProduct that was or is created from items that have been mixed again.remnantal(chiefly geology) Of or relating to a remnant.remodeled(American spelling) simple past and past participle of remodelremodelerA person who remodels or does remodeling.remoisten(transitive) To moisten again.remoldingpresent participle and gerund of remoldremontant(botany, especially of cultivated roses) That flowers more than once in each season.remontoirA device in a clock which provides a regular impulse to the pendulum.remordant(transitive) To mordant again.remosomalRelating to remosomesremotable(programming) Offering support for remoting.remouladeA popular condiment in many countries, usually mayonnaise-based.remouldedsimple past and past participle of remouldremountedsimple past and past participle of remountremovableAble to be removed.removablySuch that it can be removed.remugient(rare) Resounding, echoing.remystify(transitive) To make (something previously clear) mysterious again.renamableCapable of being renamed.renardineCunning; foxlike.renardite(mineralogy) A yellow orthorhombic mineral containing lead, hydrogen, uranium, phosphorus, and oxygen.renarrateTo narrate again.renascentExperiencing renewed vigor; being reborn.renaturedsimple past and past participle of renaturerencontre(now rare) A chance or unexpected meeting or encounter.renderersplural of rendererrenderingThe act or process by which something is rendered.rendevousMisspelling of rendezvous.rendingly(especially in combination) So as to rend or tear apart.renditionAn interpretation or performance of an artwork, especially a musical score or musical work.rendryngeObsolete form of rendering.rendzinicOf or relating to rendzina soils.renegadedsimple past and past participle of renegaderenegader(rare) One who renegades.renegadesplural of renegaderenervate(transitive) To restore nerve stimulation to.renewableAble to be renewed; capable of renewal.renewablyIn a renewable manner.renewedly(US, now rare) again; once morereniculus(anatomy, cetology) One of the lobules of the kidney, especially in whales.renierite(mineralogy) A tetragonal-scalenohedral orange brown mineral containing arsenic, copper, germanium, iron, sulfur, and zinc.renifleur(rare) A paraphiliac who derives sexual pleasure from certain smells.renitenceThe state or quality of being renitent; resistance to physical pressure or constraintrenitencyAlternative form of renitence.rennetingAdding rennet to milk during cheesemakingrenogenicThat originates in the kidneyrenogramsplural of renogramrenographA renographic imagerenometryThe measurement of the function of a kidney.renopathyAny disease of the kidneys; nephropathy.renorming(mathematical analysis) The application of mathematical operations to return values to a norm.renotoxicSynonym of nephrotoxic.renouncedsimple past and past participle of renouncerenouncerOne who renounces.renouncesplural of renouncerenourish(transitive) To nourish again or anew.renovatedsimple past and past participle of renovaterenovaterAlternative form of renovator.renovatesthird-person singular simple present indicative of renovaterenovatorA person who renovates.renownful(archaic) Having great renown; famous.rentaller(Scotland, historical) A person, especially a kindly tenant, having land tenure by rental right.renteringpresent participle and gerund of renterrenthouse(US, Arkansas) A house that is rented out.reobscure(transitive) To obscure again.reobserveTo observe again.reoccludeAlternative form of re-occlude.reoccuredMisspelling of reoccurred.reodorantA chemical additive designed to restore, enhance or disguise an odor.reoffenceThe act of reoffending; committing a further crime.reoffenseAlternative form of reoffence.reopeningthe act of opening something againreoperate(intransitive, surgery) to operate (surgically) again (on the same thing as a previous operation).reorderedsimple past and past participle of reorderreordererOne who, or that which, reorders.reordrant(computing, typography) Of a character (usually a vowel in Indic scripts): input after another character, but intended to display before it when text is rendered.reoutline(transitive) To outline again.reovirionThe virion of a reovirusreoxidant(chemistry) Any material that promotes reoxidationreoxidiseAlternative form of reoxidize.reoxidize(chemistry) To oxidize again, or to become oxidized again, after a period of reductionrepackage(transitive) To package again or differently.repackingpresent participle and gerund of repackrepagulum(zoology) A modified abortive egg that may be used to protect the other eggs from predation.repaintedsimple past and past participle of repaintrepainterOne who repaints something.repairersplural of repairerrepairingpresent participle and gerund of repairrepairmanA male repairer, a man who repairs things.repairmenplural of repairmanrepalpate(transitive) To palpate again.repandous(obsolete) Bent outwards.reparableAble to be repaired.reparablyIn a reparable manner; in such a way that can be repaired.reparixin(organic chemistry) The chemokine receptor inhibitor (2R)-2-[4-(2-methylpropyl)phenyl]-N-methylsulfonylpropanamidereparsingpresent participle and gerund of reparserepartake(intransitive) To partake again.reparteedsimple past and past participle of reparteereparteesplural of reparteerepassageThe act of repassing; passage back.repassant(heraldry, rare) Counterpassant.repassingpresent participle and gerund of repassrepassion(obsolete) The reception of an effect from one body to another.repastinggerund of repast: an act of eating or having a meal.repasture(transitive) To turn (land) into pasture again.repatternTo pattern again.repayableAble to be repaid.repaymentThe act of repaying.repealingpresent participle and gerund of repealrepealismSupport for the repeal of a law or policy.repealistOne who supports the repeal of a law or policy.repeatersplural of repeaterrepeatingpresent participle and gerund of repeatrepeatome(genetics) All the repeats in a genomerepechage(sports, uncountable) The use of this form of competition.repellantAlternative form of repellent.repellentRepulsive, inspiring aversion.repellingpresent participle and gerund of repelrepentantFeeling or showing sorrow for wrongdoing.repentingpresent participle and gerund of repentrepercept(rare) A represented percept.repercuss(transitive) To drive or beat back.reperform(transitive) To perform again or anew.reperfume(transitive) To perfume again.reperfuseTo perfuse againrepertour(rare, obsolete) Alternative form of repertor: a discoverer.reperturbTo perturb againreperusalA second or repeated perusal.repetency(physics) wave numberrepetitio(rhetoric) Anaphora.repetitorA private instructor in a repetitorium.rephasingpresent participle and gerund of rephaserephrasedsimple past and past participle of rephraserephraserOne who, or that which, rephrases.rephrasesthird-person singular simple present indicative of rephraserepicture(transitive) To picture again or anew.repigmentTo pigment again.repiniqueA two-headed Brazilian drum used in samba ensembles.repiquingpresent participle and gerund of repiquereplacersplural of replacerreplacingpresent participle and gerund of replacereplacive(linguistics) Denoting replacement.replannedsimple past and past participle of replanreplannerOne who replans.replantedsimple past and past participle of replantreplanterOne who replants.replaster(transitive) To plaster (a wall, ceiling, etc.) again.replatingpresent participle and gerund of replatereplayingpresent participle and gerund of replayrepleader(law) A second pleading, or course of pleadings.repledger(law, historical) One who repledges.replenish(transitive) To refill; to renew; to supply again or to add a fresh quantity to.repletelyIn a way that is replete; abundantly.repletionThe condition of being replete; fullness.repletiveTending to make replete; filling.repletory(archaic) Serving to replete; repletive.repleviedsimple past and past participle of replevyreplicasean enzyme that catalyses the replication of a single-stranded RNA (ribonucleic acid) moleculereplicateTo make a copy (replica) of.repliconsplural of repliconreplicore(biochemistry) The DNA fragment made during a replication forkreplisome(genetics) A matrix of enzymes that is the site of DNA replication in the nucleus of a cell.replitase(biochemistry) A multienzyme complex of mammalian cells that produces deoxynucleoside triphosphates for DNA synthesisrepmobile(UK, slang, sometimes derogatory) A car of a kind popular with sales representatives.repollute(transitive) To pollute again.reportageThe reporting of news, especially by an eyewitness.reportersplural of reporterreportingThe creation of reports.reportionTo reapportion.reportive(grammar) Synonym of reportative.reportourObsolete form of reporter.reposableAble to be placed in a different pose.reposance(obsolete) reliancereposedlyIn a state of repose.reposefulProviding repose, restful.repositedsimple past and past participle of repositrepositor(surgery) An instrument used to reposition a displaced organrepossess(law, finance) To reclaim ownership of property for which payment remains due.repostingpresent participle and gerund of repostrepottingpresent participle and gerund of repotreppiaite(mineralogy) An orange red mineral containing arsenic, hydrogen, manganese, oxygen, and vanadium.repredictTo predict againreprehend(transitive) To criticize, to reprove.reprepareTo prepare againrepresent(transitive) To portray visually; to delineaterepressedsimple past and past participle of repressrepresserSomeone or something that represses.repressesthird-person singular simple present indicative of repressrepressorAnything that represses.repreview(transitive) To preview again.repricingpresent participle and gerund of repricereprievalthe act, process or result of being reprievedreprievedsimple past and past participle of reprievereprievesplural of reprievereprimandA severe, formal or official reproof; reprehension, rebuke, private or public.reprimingpresent participle and gerund of reprimereprintedPrinted again, especially in a different format.reprinterOne who reprints.reprisalsplural of reprisalreprisingpresent participle and gerund of reprisereproable(computing, informal) Capable of being reproduced.reprobacy(archaic) reprobationreprobateRejected by God; damned, sinful.reprobingprobing againreprocessTo process again.reprocure(transitive) To obtain or purchase again.reproduce(transitive) To produce an image or copy of.reprofile(transitive) To change the profile of; to reshape.reprogram(transitive, computing) To program anew or differently.reproject(cartography) To change the projection (or coordinate system) of spatial data with another projection.repromise(transitive) To promise again or anew.repromote(transitive) To promote again or anew.reproofedsimple past and past participle of reproofreproposeto propose againreprotect(transitive) To protect again.reprovide(transitive) To provide again.reprovingpresent participle and gerund of reprovereprovoke(transitive) To provoke again.reptariumA glass tank in which reptiles are held for displayreptatingSubject to reptation.reptationA creeping movement.reptatory(zoology, obsolete, rare) Crawling, creeping.reptilase(biochemistry) An enzyme found in the venom of Bothrops snakes, with activity similar to thrombin.reptilian(zoology) Of or relating to the members of the class Reptilia (reptiles).reptilityThe quality of being a reptile, or like a reptile.reptiliumAn enclosure in which reptiles are keptreptiloid(science fiction) A reptilian humanoid creature.reptologyThe science and study of reptiles.reptoside(organic chemistry) An iridoid glucoside found in Ajuga reptans.republickObsolete spelling of republic.republicsplural of republicrepublish(transitive) To publish once again; to print and distribute copies of a work that has previously been printed and distributed.repudiate(transitive) To reject the truth or validity of; to deny.repugnantOffensive or repulsive; arousing disgust or aversion.repugnate(transitive, obsolete, rare) To oppose; to fight against.repulpingpresent participle and gerund of repulprepulsingpresent participle and gerund of repulserepulsionThe act of repelling or the condition of being repelled.repulsiveTending to rouse aversion or to repulse; disgusting.repulsoryRepulsive; acting to repel; driving back.repumpingpresent participle and gerund of repumprepurposeTo reuse for a different purpose, on a long-term basis, with or without alteration.reputableHaving a good reputation; honourable.reputablyIn a reputable manner.reputedlyAccording to repute or general belief.requalifyTo qualify again; to renew a qualification.requarter(transitive) To divide into quarters again.requestedsimple past and past participle of requestrequesteeA person from whom something is requested.requesterOne who, or that which, makes a request.requestorOne who, or that which, makes a request.requicken(transitive) To quicken anew; to reanimate or give new life to.requireth(archaic) third-person singular simple present indicative of requirerequiringpresent participle and gerund of requirerequisiteEssential, indispensable, required.requitalsplural of requitalrequitingpresent participle and gerund of requitereradiateTo absorb some amount of radiative energy, and then later emit that energy in the form of radiative energy. The term is most often used in discussion of absorption of light or infrared radiation.rerailersplural of rerailerrerankingpresent participle and gerund of rerankrereadingA second or subsequent reading.rerebrace(historical) Armour for the upper part of the arm.reredorseArchaic form of reredos.reredosesplural of reredosreredosseArchaic form of reredos.rerefinerA business that rerefines used oil.rereleaseTo release (a film, video game, etc.) again.reremouse(rare, archaic, poetic or heraldry) A bat (flying mammal).rerequestA subsequent request.reresolve(transitive) To resolve again.rerestart(rare) To restart again.rerestoreTo restore again.reretreata second retreat.rerinsingpresent participle and gerund of rerinsereroofingpresent participle and gerund of reroofreroutingpresent participle and gerund of reroutererunningpresent participle and gerund of rerunresalableCapable of being resold.resalvage(transitive) To salvage again.resamplerOne who or that which resamples.resandingpresent participle and gerund of resandresatisfy(transitive) To satisfy again.resazurin(organic chemistry) A blue dye that is reduced to the fluorescent derivative resorufinrescalingpresent participle and gerund of rescalerescatterTo scatter againrescindedsimple past and past participle of rescindrescinderOne who rescinds.rescopingpresent participle and gerund of rescoperescratch(transitive) To scratch again.rescriptsplural of rescriptrescuableThat can be rescued or recovered.rescuemanA man who rescues people.rescussor(law, UK, obsolete) One who makes an unlawful rescue; a rescuerresealantA substance used to reseal something.researchy(nonstandard, colloquial, humorous) Characterized by research, especially the serious investigation of a subject.reseatingpresent participle and gerund of reseatresecreteTo secrete again.resectingpresent participle and gerund of resectresection(medicine) The surgical removal of part or all of a tissue, organ, tumor, or body part.resective(surgery) Relating to resectionresecuredsimple past and past participle of resecureresedatedsimple past and past participle of resedatereseedingpresent participle and gerund of reseedresegment(transitive) To segment again or anew; to split into different divisions.reseizureA second or subsequent seizure (of assets, property, etc.).resellersplural of resellerresellingpresent participle and gerund of resellresembledsimple past and past participle of resembleresemblerA person who resembles another.resemblesthird-person singular simple present indicative of resembleresendingpresent participle and gerund of resendresentfulInclined to resent, who tends to harbor resentment, when wronged.resentingpresent participle and gerund of resentresentive(rare) Resentfulreserpine(organic chemistry, pharmacology) A compound of the alkaloid class obtained from Indian snakeroot (Rauvolfia serpentina) and other plants and used in the treatment of hypertension.reserversplural of reserverreservice(transitive) To service again.reservingpresent participle and gerund of reservereservismThe practice of an employee being kept in reserve and asked to work only when needed.reservistA soldier who is assigned as reserved: after training, no longer on full active duty.reservoirA place where anything is kept in store.resessiveMisspelling of recessive.resettersplural of resetterresettingThe act by which something is reset.resettledsimple past and past participle of resettleresettlerOne who resettles.reshampoo(transitive) To shampoo again.reshapingpresent participle and gerund of reshaperesharpensharpen againreshearedsimple past of reshearresheatheTo sheathe again, to return to its sheath.reshingle(transitive) To shingle again or anew.reshippedsimple past and past participle of reshipreshipperOne who reships.reshoeingpresent participle and gerund of reshoereshoringThe transfer of a business operation back to its country of origin.reshowingpresent participle and gerund of reshowreshuffleTo shuffle something again, especially playing cards.residenceThe place where one lives (resides); one's home.residencyThe condition of being a resident of a particular place.residentsplural of residentresidualsplural of residualresiduaryOf or relating to a residue; residual; left over, when the main portion has been removed.residuous(archaic) Remaining; residual.resiftingpresent participle and gerund of resiftresignfulFull of resignation; resigned.resignify(transitive) To give a new signification to.resigningpresent participle and gerund of resignresilableMisspelling of resealable.resilence(transitive) To subject to gene silencing again.resiliantMisspelling of resilient.resiliate(Canada, law) To exit, cancel, or draw back from a lease or contract.resilientReturning quickly to original shape after force is applied; elastic. (of objects or substances)resilifer(zoology) A recess or a process for the attachment of the resilium.resinatedsimple past and past participle of resinateresinatesthird-person singular simple present indicative of resinateresiniticOf or pertaining to resinite.resinlessWithout resin.resinlikeResembling or characteristic of a resin.resinosisThe exudation of a resinous substance from woody tissue as a result of necrosis.resinweedSynonym of rosinweed.resistantA person who resists; especially a member of a resistance movement.resistent(less common) Alternative form of resistantresistersplural of resisterresistfulPutting up much resistance; resistantresistingpresent participle and gerund of resistresistive(electronics) Acting as a resistor; resisting the passage of electrical current.resistome(genetics, medicine) All the genes (in a bacterium) that confer resistance to antibioticsresistorsplural of resistorresitting(photography) A second or subsequent sitting.resituateTo situate in another place.resizable(computing) That can be resized.reskilledsimple past and past participle of reskillreskinnedsimple past and past participle of reskinresleeper(rail transport, transitive, UK) To replace the sleepers of (a track).resnatron(historical) A large power tube designed to jam enemy radar by generating power at microwave frequencies.resofurinMisspelling of resorufin.resolicit(transitive) To solicit again.resolubleSynonym of resolvable.resolvase(biochemistry) Any of a group of enzymes that repress transposasesresolvateTo solvate again, typically following desolvationresolvendSomething to be resolved.resolventAble to resolve (separate) the constituents of a mixtureresolversplural of resolverresolvingpresent participle and gerund of resolveresonance(uncountable) The quality of being resonant.resonatedsimple past and past participle of resonateresonatesthird-person singular simple present indicative of resonateresonatorAny object or system that resonatesresorbentswallowing upresorbingpresent participle and gerund of resorbresortingpresent participle and gerund of resortresorufin(organic chemistry) A red, fluorescent dye, 7-hydroxy-3H-phenoxazin-3-one, related to resazurinresoundedsimple past and past participle of resoundresounderOne who or that which resounds.resourcedsimple past and past participle of resourceresourcesplural of resourcerespackle(transitive) To spackle again.respawner(zoology) An organism that spawns again.respeaker(television) One who repeats the words of a televised person so that they can be electronically recognised and used to generate subtitles.respecifyTo specify again; to alter an earlier specificationrespectedDeserving of respect; due special honor or appreciation.respecterOne who regards or judges with partiality; one who respects.respelledsimple past and past participle of respellrespeller(rare) One who spells something again or differently.respibandA band, worn around the wrist, that measures respirationrespirate(transitive) To give artificial respiration torespiringpresent participle and gerund of respirerespitingpresent participle and gerund of respiteresponaut(medicine) A patient who depends on a respirator in order to breathe.respondedsimple past and past participle of respondrespondeeOne who is asked to respond.responderOne who responds.responsalA proctor for a monastery.responserOne who responds, or gives responses.responsesplural of responseresponsor(electronics) A receiver used in conjunction with an interrogator to receive and interpret signals from a transponder.responsumsingular of responsaresprayedsimple past and past participle of resprayresprayerOne who resprays.resputterTo re-emit deposited material during a sputter deposition process, by ion or atom bombardment.resqueeze(transitive) To squeeze again.ressaidarAlternative form of ressaldar.ressaldarThe native captain of an Indian cavalry regiment.restagingpresent participle and gerund of restagerestarted(Internet slang) Euphemistic form of retarded.restarterOne who or that which restarts.restatingpresent participle and gerund of restaterestation(transitive) To assign (military personnel) to a different area.restframeAlternative form of rest framerestfullyIn a restful manner.resthouseA house where travellers can stay; a guesthouse.resticker(transitive) To sticker again; to apply new stickers to.restiffenTo stiffen again.restiform(anatomy) Formed like a rope; applied especially to several rope-like bundles or masses of fibres on the dorsal side of the medulla oblongata.restiness(obsolete) The quality or state of being resty; sluggishness.restitute(transitive) To restore (something) to its former condition.restivelyIn a restive manner.restockedsimple past and past participle of restockrestockerOne who restocks.restopper(transitive) To seal again by reinserting a stopper.restorageThe act of storing again, or in another place.restorersplural of restorerrestoringpresent participle and gerund of restorerestrainsthird-person singular simple present indicative of restrainrestraint(countable) Something that restrains, ties, fastens or secures.restretchTo stretch again or anew.restrictsthird-person singular simple present indicative of restrictrestringe(obsolete or nonstandard) To confine; to contract; to stringe.restroomsplural of restroomrestudiedsimple past and past participle of restudyrestudiesthird-person singular simple present indicative of restudyrestylingpresent participle and gerund of restyleresubject(transitive) To subject again.resublimeTo sublime again.resubmitsthird-person singular simple present indicative of resubmitresubvert(transitive) To subvert again.resuggest(transitive) To suggest again.resultantFollowing as a result or consequence of something; resulting.resultateAlternative form of resultat.resultfulProducing results or effects; resulting.resultingOf something that follows as the result of something else; resultant.resultive(obsolete) resultant; resultingresultset(databases) A set, often of tabulated data, that is the result of the querying of a database or a similar act.resumableThat can be resumed.resummonsthird-person singular simple present indicative of resummonresurface(intransitive) To come once again to the surface.resurgentUndergoing a resurgence; experiencing renewed vigor or vitality.resurgingpresent participle and gerund of resurgeresurrect(transitive) To raise from the dead; to bring life back to.resurveil(transitive, nonstandard, US) To surveil again.resuspend(transitive) To suspend again.reswallowTo swallow again.reswelledsimple past of reswellretailersplural of retailerretailingpresent participle and gerund of retailretainageAn amount of money held back from a payment as insurance against the work not being completed.retainersplural of retainerretainingOf or pertaining to something that retains something else, as with a retaining wall.retakafulReinsurance based on the takaful system of insurance in Islamic law.retaliate(intransitive) To do something harmful or negative to get revenge for some harm; to fight back or respond in kind to an injury or affront.retannageThe process of tanning something again.retardant(often in combination) Serving to impede (slow down) the action of somethingretardate(technical) A retarded person; a person with retardation.retardersplural of retarderretardingpresent participle and gerund of retardretardism(dated) Mental retardationretardiveThat retards; retardative.retastingpresent participle and gerund of retasteretchless(obsolete) careless; recklessretecious(rare) Resembling netting; retiform.retection(engineering) Detection through a concealing layer. (Note: this use is somewhat specific to electrical engineering and related fields investigating the uses of T-Ray Sensing.)retellingpresent participle and gerund of retellretentateThat which is retained, especially by a filter or porous membrane.retentionThe act of retaining or something retained.retentiveHaving power to retain.reteplase(pharmacology) A modified form of human tissue plasminogen activator, used as a thrombolytic drug.retestifyTo testify again.retestingpresent participle and gerund of retestretexture(transitive) To texture again; to give a new texture to.retheness(Now chiefly dialectal) The character, state, or condition of being rethe; fierceness; wildness; roughness; harshness; sternness; cruelty.rethickenTo thicken again.rethinkerOne who rethinks.rethoughtsimple past and past participle of rethinkrethunder(intransitive) To thunder again, or as an echo.retiarius(Ancient Rome, gladiatorial combat) A gladiator who uses a casting net (a rete or iaculum) as a weapon.reticellaAn old Venetian lace-like fabric.reticello(uncountable) Alternative form of reticella (“old lace-like fabric”).reticence(uncountable) A silent and reserved nature.reticencySynonym of reticence.reticenseArchaic spelling of reticence.reticularHaving the structure of a net or a network; netlike.reticuledHaving a reticule or eyepiece.reticulesplural of reticulereticulin(biochemistry) A scleroprotein, similar to collagen, found in lymphatic connective tissuereticulon(biochemistry) Any of a group of proteins found in the endoplasmic reticulum that have a variety of functions.reticulumA pattern of interconnected objects.retightento tighten againretillageThe act of tilling land again.retinallyWith reference to, or by means of the retinaretinenesplural of retineneretinitis(pathology) Inflammation of the retina.retinoate(chemistry) Any salt or ester of retinoic acid.retinosisAny degenerative condition of the retina.retinularOf or relating to the retinula.retirableAble or due to be retired.retiredlyIn a retired or withdrawn situation.retistene(chemistry, archaic) A white crystalline hydrocarbon produced indirectly from retene.retitlingpresent participle and gerund of retitleretoolingpresent participle and gerund of retoolretootherA machine that retooths.retorsion(law) An act of retaliation taken by one nation against another as a reprisal.retortingpresent participle and gerund of retortretortionAlternative form of retorsion.retortiveContaining, or acting as, a retort.retouchedsimple past and past participle of retouchretoucherOne who retouches.retoughenTo toughen again.retpoline(programming, neologism) A code construct that uses return operations to prevent speculative execution.retracingpresent participle and gerund of retraceretrackerAn algorithm for retracking.retractedsimple past and past participle of retractretracterAlternative form of retractor.retractorOne who, or that which, retracts.retrahensA muscle that draws the ear backward.retrahentServing to draw something backward.retrainedsimple past and past participle of retrainretraineeOne who undergoes retraining.retrainerOne who retrains.retrample(transitive) To trample again.retransitThe act of transiting againretreadedsimple past and past participle of retreadretreatal(geology) Relating to a retreat.retreatedsimple past and past participle of retreatretreaterOne who retreats.retriableCapable of being retried.retributeTo pay back; to give in return, as payment, reward, or punishment; to requite.retrievalThe act of retrieving or something retrieved.retrievedsimple past and past participle of retrieveretrieverOne who retrieves something.retrievesthird-person singular simple present indicative of retrieveretrigger(transitive) To trigger again or anew.retriment(archaic) refuse; dregsretroactsthird-person singular simple present indicative of retroactretrocede(transitive) To grant back.retrocess(law, transitive) To retrocede or grant back.retrocopy(genetics) A retrogene, copied from mRNA, that has lost all intronsretrodate(transitive) To assign a date to (a publication) that is earlier than the real one.retrodictTo attempt to estimate the previous state from the present.retroduceTo employ retroductionretroduct(transitive) To draw back; to withdraw.retrofireThe firing of rockets directed opposite to a craft's direction of motion in order to slow down.retrofitsplural of retrofitretroflexBent or curved backwards.retrogame(video games) An older video game or computer game that is played by hobbyists.retrogene(genetics) A piece of DNA reverse transcribed from mRNA inserted into a random place in the genome.retrohome(genetics) To cause or to undergo retrohomingretroject(transitive) To project into the past; to insert anachronistically into a historical reconstruction.retronymsplural of retronymretronymyThe process of creating retronyms; coining new words for existing concepts because the meaning of the original word has broadened.retropackA group of retrorockets on a spacecraftretroposeTo displace backwardsretrosome(biology) An organelle containing retrotransposonsretrotort(intransitive) To undergo retrotorsion.retrovertTo turn back; to return to a previous state.retrowavesynthwave musicretrozymea family of retrotransposons, containing a hammerhead ribozyme in their sequences, and no coding regions.retrusionThe act of retruding, or the state of being retruded.retrusiveCharacterised by retrusionretryableAlternative form of retriable.retulatedMisspelling of reticulated.retunableCapable of being retuned.returneesplural of returneereturningpresent participle and gerund of returnretweetedsimple past and past participle of retweetretweeter(Internet) One who retweets.reundergo(transitive) To undergo again.reunifiedsimple past and past participle of reunifyreunitingpresent participle and gerund of reunitereunition(dated) reunionreunitiveCausing reunion; bringing back together.reupgradeTo upgrade again.reuptakerA neuron that reuptakes a neurotransmitterreuseableAlternative spelling of reusable.reutiliseAlternative spelling of reutilize.reutilizeTo use or utilize something again, or for another purposerevaluate(transitive) To make a new valuation or appraisal of.revaluingpresent participle and gerund of revaluerevampinggerund of revamp: an act of improving, renewing, renovating, or revising something.revarnish(transitive) To varnish again, a further time.revealersplural of revealerrevealingInformative; providing new information.reveillesplural of reveillerevelatorA person or personified agent who reveals; especially, one who makes a divine revelation.revellent(obsolete, medicine) Causing revulsion; revulsive.revellersplural of revellerrevellingpresent participle and gerund of revelrevelment(rare) Joyful merry-making.revelriesplural of revelryrevelrousCharacterized by or engaged in boisterous merry-making.revelrout(archaic) A session of revelry.revenantsplural of revenantrevengersplural of revengerrevengingpresent participle and gerund of revengerevengismA tendency to carry out, or preoccupation with, revenge.revenooer(dialect) Alternative form of revenuer.revenuersplural of revenuerreverableFit to be revered; worthy of reverence.reverbate(rare) Alternative form of reverberate.reverdure(transitive) To cover again with verdure.reveredlyIn a revered manner.reverenceVeneration; profound awe and respect, normally in a sacred context.reverendsplural of reverendreversalsplural of reversalreverselyIn a reverse manner; in the opposite sequence or direction.reversineA synthetic molecule, 2-(4-morpholinoanilino)-6-cyclohexylaminopurine, used for stem cell dedifferentiation.reversingpresent participle and gerund of reversereversionThe act or process of reverting something.reversive(linguistics) Designating the reversion of an action.revertant(genetics) That has reverted to its former genotype or to the original phenotype by means of a subsequent mutation.revertase(biochemistry) Synonym of reverse transcriptase.revertentHaving reverted to a previous (more basic or more natural) state.revertingpresent participle and gerund of revertrevertiveReverting, or tending to revert; returning.revestingpresent participle and gerund of revestrevesture(obsolete) Vesture.revetmentA layer of stone, concrete, or other hard material supporting the side of an embankment.revettingpresent participle and gerund of revetrevibrateTo vibrate back or again.reviction(obsolete) revival (return to life, usually figuratively)revictual(transitive) To supply with fresh provisions.reviewageThe act or process of reviewing.reviewersplural of reviewerreviewingpresent participle and gerund of reviewreviewishResembling or characteristic of a review (critical evaluation).reviolateTo violate again.reviparin(pharmacology) An antithrombotic belonging to the group of low-molecular-weight heparins.revisableAble to be revisedrevisionsplural of revisionrevisitedpast participle of revisitrevisitorOne who revisits.revivableThat can be revived. Possible to return to life.revocableHaving the ability of being revoked; capable of being revoked.revocablyIn a revocable way.revoicingpresent participle and gerund of revoicerevokableAlternative spelling of revocable.revoltingpresent participle and gerund of revoltrevoluble(archaic) Capable of revolving.revolutedsimple past and past participle of revoluterevolversplural of revolverrevolvingmoving around a central point.revulsant(medicine) Synonym of revulsive.revulsionAbhorrence, a sense of loathing, intense aversion, repugnance, repulsion, horror.revulsiveCausing revulsion.revusicalA theatre show that is part revue and part musicalrewakenedsimple past and past participle of rewakenrewardersplural of rewarderrewardfulYielding reward.rewardingGiving or resulting in reward or satisfaction.rewarmingpresent participle and gerund of rewarmrewatcherOne who rewatches.rewaybillTo waybill again.reweighedsimple past and past participle of reweighrewelcome(transitive) To welcome again.rewettingA second or subsequent wettingrewhisperTo whisper again.rewildingpresent participle and gerund of rewildrewindingpresent participle and gerund of rewindrewirableAlternative form of rewireable.rewordingpresent participle and gerund of rewordreworkingpresent participle and gerund of reworkrewrapperOne who wraps again.rewritersplural of rewriterrewritingThe process or result of writing again; a rewrite.rewrittenpast participle of rewriterewroughtsimple past and past participle of reworkrezerpineMisspelling of reserpine.rezonableCapable of being rezoned.rhabditicRelating to the rhabdite.rhabditid(zoology) nematode in the family Rhabditidae.rhabdomalRelating to a rhabdomrhabomereMisspelling of rhabdomere.rhachidesplural of rhachisrhachillaAlternative form of rachilla.rhachitis(pathology) Alternative spelling of rachitis.rhagionid(zoology) Any fly of the family Rhagionidae.rhamnetin(organic chemistry) An O-methylated flavonol that can be isolated from cloves.rhamnitol(biochemistry) The deoxy sugar alcohol 1-deoxy-mannitolrhamnosyl(organic chemistry, especially in combination) A univalent radical derived from rhamnose.rhamphoid(mathematics) Of a cusp: defined by the equation (y-x²)²=x⁵, which is parametrized by (t²,t⁴+t⁵); having two branches with concavity in the same direction.rhaphidesplural of rhaphiderhaponticThe false rhubarb (Rheum rhaponticum)rhapsoder(obsolete) A rhapsodist.rhapsodichighly emotional; rapturousrhapsodieObsolete form of rhapsody.rhataniesplural of rhatanyrhedariumA structure used for storage, sale, or manufacture of horse-drawn carriages.rheobasicRelating to a rheobase.rheobiont(biology) Any organism that lives in fast-flowing waterrheochordA wire that can measure or vary the resistance of an electric circuit, or measure the variability of the current.rheocrenea stream that flows into a larger channelrheogenicThat generates an electric currentrheologicOf, or relating to, rheology: the deformation and flow of matter.rheometerA device used to measure the flow properties of fluids with variable viscosity.rheometry(physics) The measurement of electrical current.rheomotor(archaic) A generator (apparatus that produces an electric current).rheonomic(mathematics) Of a mechanical system whose constraint equations explicitly contain or are dependent upon time.rheopectyAlternative form of rheopexy.rheopexicDescribing a gel for which the time of solidification after discontinuation of a relatively high shear rate, is reduced by applying a small shear raterheophileAny organism that thrives in the presence of running water.rheophilyThe condition of being rheophilicrheophore(obsolete, physics) Any wire, electrode or connector that conducts electricityrheophyte(botany) A plant that grows in running water, such as in a stream or riverrheoscopeAn instrument for detecting the presence or movement of currents, as of electricity.rheoscopyThe use of the rheoscope.rheostatsplural of rheostatrheotaxicAlternative form of rheotactic.rheotaxis(biology) movement in response to a current (of water or air)rheotrope(dated) An instrument for reversing the direction of an electric current; synonym of commutator.rheotypic(biology) Relating to the rheophilic form of an organismrheovirusMisspelling of reovirus.rhesusize(genetics, of an antibody) To substitute a rhesus sequence for a human sequence into a nucleic acidrhetiziteAlternative form of rhaetizite.rhetologyThe form of rhetorical argument or reasoning that characterizes a rhetorolect.rhetorickObsolete form of rhetoric.rhetoricsplural of rhetoricrhetoriseAlternative form of rhetorize.rhetorize(transitive) To represent by a figure of rhetoric, or by personification.rheumaticResembling or relating to rheumatism.rheumatiz(dialect) rheumatismrheumides(archaic, medicine) Certain types of herpetic diathesis.rhigolene(organic chemistry) A mixture of volatile hydrocarbons intermediate between gasolene and cymogene, used as a refrigerant.rhinalgia(medicine) pain in the noserhinariumThe naked surface of skin around the external openings of the nostrils of the nose in most mammals, usually more or less moist and embossed.rhinaster(obsolete) the black rhinocerosrhineurid(zoology) Any lizard in the family Rhineuridae.rhinogobyAny goby (fish) of the genus RhinogobiusrhinolikeResembling a rhinoceros.rhinolithA calculus that forms in the nasal cavity.rhinologyThe scientific study of the nose.rhinophid(zoology) Any snake in the family Rhinophidae, a synonym of the Uropeltidae.rhinopome(obsolete) Any member of the bat genus Rhinopoma.rhinorheaMisspelling of rhinorrhea.rhinotomymutilation, usually amputation, of the noserhinotopyThe spatial organization and mapping of the olfactory systemrhipidion(Christianity) In the Greek Church, the eucharistic fan or flabellum.rhipidistAny fish of the order Rhipidistia.rhipidium(botany) A scorpioid cyme whose successive pedicels follow a zigzag path on the same plane.rhizarianAny organism of the taxon RhizariarhizobialOf or pertaining to rhizobiarhizobium(biology) Any of various bacteria, of the genus Rhizobium, that form nodules on the roots of legumes and fix nitrogen.rhizocaulThe rootstock of a polyp.rhizoderm(botany) Synonym of rhizodermis.rhizodontAny of the RhizodontidarhizoidalResembling the root of a plant.rhizolite(mineralogy) A type of tectite meteoriterhizolithA fossilized rootrhizology(botany) The study of plant roots.rhizomataplural of rhizomarhizomide(biochemistry) Any of a group of antimicrobial cyclic xenopeptides produced by the bacterium Paraburkholderia rhizoxinicarhizomyid(zoology) Any rodent in the family Rhizomyidae, now considered to be the spalacid subfamily Rhizomyinae, comprising the bamboo rats and mole rats (as opposed to the naked mole rats in the subfamily Spalacinae).rhizopine(organic chemistry) Any of a group of compounds, synthesised by rhizobia, associated with nodulationrhizopodsplural of rhizopodrhizotaxyAlternative form of rhizotaxis.rhizotomy(surgery) The surgical procedure of cutting the anterior or posterior spinal nerve roots in order to relieve pain, or reduce muscle spasms.rhizotronA transparent underground structure, used to observe plant roots.rhodaliidAny siphonophore of the family Rhodaliidaerhodamine(organic chemistry) Any of a class of pink to red polycyclic fluorone dyes.rhodanase(biochemistry) A mitochondrial enzyme that detoxifies cyanide by converting it to thiocyanaterhodanate(chemistry, obsolete) A salt of rhodanic acid; a sulphocyanate.rhodanese(biochemistry) A mitochondrial enzyme that catalyzes the conversion of cyanide to thiocyanate. Probably from ῥόδον (ródon), meaning rose, in reference to rhodanic acid which has a red colour with ferric salts.rhodanine(organic chemistry) The heterocycle 2-thioxy-4-thiazolidinone, some of whose derivatives show anti-viral activityrhodanize(transitive) To coat (silverware) with a thin rhodium layer to prevent tarnishing.rhodation(organic chemistry) Any reaction involving the addition of a rhodium atomrhodesite(mineralogy) An orthorhombic-dipyramidal silky white mineral containing calcium, hydrogen, oxygen, potassium, silicon, and sodium.rhodizite(mineralogy) A basic borate mineral of cesium, aluminum and berylliumrhodocene(organic chemistry) The rhodium analog of ferrocenerhodocyte(rare) erythrocyte; red blood cellrhodoliteA purplish-red garnet.rhodolithA benthic marine red alga that resembles coralrhodonaseMisspelling of rhodanase.rhodonite(mineralogy) A manganese inosilicate mineral with some substitution by iron and magnesium, of composition (Mn²⁺,Fe,Mg,Ca)SiO₃.rhodopsin(biochemistry) A light-sensitive pigment in the rod cells of the retina; it consists of an opsin protein bound to the carotenoid retinalrhoeadine(organic chemistry) Any of a group of benzazepine alkaloids found in the poppy.rhogocyteA pore cell, in molluscs, that produces hemocyanin.rhoifolinA particular flavone isolated from citrus and other plants.rhombille(geometry) Composed of rhombusesrhombogen(zoology) The infusoriform embryo of a nematoid worm.rhomboidsplural of rhomboidrhonchial(medicine) Of or pertaining to a rhonchusrhopalialRelating to a rhopaliumrhopalism(poetry, rhetoric) rhopalic structurerhopalium(zoology) One of the small sensory tentacular structures of various jellyfish species.rhopaloid(zoology) Having a shaft or tentacle with an uneven diameter.rhophilin(biochemistry) Any of a group of GTP-binding proteinsrhotaciseAlternative spelling of rhotacize.rhotacismAn exaggerated use of the sound of the letter R.rhotacizeTo pronounce with an exaggerated 'R' sound (a rhotacism).rhoticismAlternative form of rhotacism.rhoticityThe quality of being rhotic.rhoticizeAlternative spelling of rhotacize.rhumbaingpresent participle and gerund of rhumbarhumblineAlternative spelling of rhumb line.rhymeableAlternative form of rhymable.rhymefest(informal) A situation involving a great deal of rhyming.rhymelessWithout rhymes.rhymelikeResembling or characteristic of rhyme.rhymesterA rhymer; a poetasterrhymewiseIn terms of rhyme.rhyminglyIn a way that rhymes.rhyolitesplural of rhyoliterhyoliticPertaining to or composed of rhyolite, the lava form of granite.rhysodine(zoology) Any of the subfamily Rhysodinae of carabid beetles.rhythmicsThe study of rhythm.rhythmingWriting rhythm or verse.rhythmiseAlternative form of rhythmize.rhythmistA musician who plays the rhythm.rhythmite(geology) Any of a rhythmic series of sedimentary beds; a varverhythmize(transitive) To put into a rhythm; to make rhythmic.ribaldish(archaic) Like a ribald; disposed to ribaldry.ribattuta(music) A musical ornament consisting of a trill on a long-short dotted rhythm accelerating to end on either a tremolo or a regular trill.ribaudred(obsolete, very rare) filthy; obscene; ribaldribavirin(pharmacology) A synthetic analog of guanosine with chemical formula C₈H₁₂N₄O₅ that inhibits viral nucleic acid synthesis and is used as a broad-spectrum antiviral drug especially in the treatment of respiratory syncytial virus infection and chronic hepatitis C.ribboningpresent participle and gerund of ribbonribbonite(geology, uncommon) A carbonate micrite with ribbon-like laminations.ribbonize(transitive) To form into a ribbon or a ribbon cable.riboforinAlternative form of ribophorin.ribogroupA group of ribotypesribollitaA traditional Tuscan soup made from reboiled vegetables, with a base of black cabbage and cannellini beans, and the addition of stale bread.ribolyserA form of small ball mill used for the homogenization of biological samplesribolysis(biochemistry) The hydrolysis of a ribosideribolyticThat ribolysesribonomicRelating to ribonomicsribophagy(biochemistry) The degradation of ribosomes by autophagy.riboplasmThe part of an anammox bacterium that holds the chromosome, ribosomes and anammoxosome; it is surrounded by the paryphoplasm that is analogous to the periplasm that surrounds the cytoplasm in Gram-negative bacteriariboprobe(genetics) A segment of RNA that is used to probe for a complementary sequence of nucleotides in a DNA or mRNA.ribosidicCharacteristic of a riboside, especially of the link between ribose and a sugar moietyribosomalOf or relating to ribosomes.ribosomesplural of ribosomeribosomicOf or pertaining to ribosomes.ribosugar(biochemistry) Any sugar derived from ribose or deoxyriboseribotoxic(biochemistry) toxic because of interference with the function of RNAribotoxin(biochemistry) Any of a class of toxic ribonucleasesribotypicRelating to a ribotyperiboviralRelating to a ribovirusribovirusAn RNA virus other than a retrovirusribozymesplural of ribozymeribozymicRelating to ribozymesribroastsplural of ribroastriccardin(organic chemistry) Any of a group of macrocyclic phenolic bisbenzyls present in several plantsricefieldA field where rice is grown.riceflourAlternative form of rice flour.ricegrassAny of the genus Oryzopsis of Chinese and North American plants in the grass family.ricepaperAlternative spelling of rice paper.ricercareAlternative form of ricercar.ricercariplural of ricercarericercarsplural of ricercarricercata(music) A very elaborate form of fugue.richardia(botany) Any of the genus Richardia of flowering plants in the family Rubiaceae.richeningpresent participle and gerund of richenrichetite(mineralogy) A triclinic black mineral containing hydrogen, lead, oxygen, and uranium.ricinolicAlternative form of ricinoleic.ricketilyIn a rickety manner.ricketishHaving rickets.rickshawsplural of rickshawrickstandA flooring or framework on which a hayrick is made.ricochetsplural of ricochetriddancesplural of riddanceriddinite(science fiction) A particular building material found in the Star Trek universe.ridealongThe act of accompanying, or volunteering with, a police, paramedic, or firefighting group, usually by a student seeking hands-on experience.riderlessWithout or deprived of a rider.ridership(collective, originally Canada, US) The people who ride a form of transportation.rideshareA ridesharing arrangement in which people travel together.ridgebackAny of three breeds of dog with a distinctive ridge of hair that runs against the grain of the rest of the coat along the spine: the Rhodesian Ridgeback, the Phu Quoc Ridgeback and the Thai Ridgeback.ridgebandThat part of the harness of a cart which goes over the saddle.ridgebone(anatomy, rare, also figuratively) The backbone or spine.ridgehand(martial arts, chiefly attributive) A striking surface formed by tucking the thumb of the hand into the palm.ridgeheadAny of the family Melamphaidae of small, deep-sea stephanoberyciform fish.ridgelessWithout ridges.ridgelikeResembling a ridge.ridgelineThe topmost edge along a mountain ridge.ridgelingA male animal with at least one testicle still in the inguinal canal.ridgepoleA beam along the ridge of a roof to which the rafters are attached.ridgerope(nautical) A lifeline.ridgesideBeside a ridge.ridgetopsplural of ridgetopridgewaysplural of ridgewayridgewiseIn the manner of a ridge or ridges.ridglingsplural of ridglingridiculedsimple past and past participle of ridiculeridiculerOne who ridicules.ridiculesthird-person singular simple present indicative of ridiculerieslingsplural of riesling; alternative spelling of Rieslings.rifabutin(pharmacology) A bactericidal antibiotic, primarily used in the treatment of tuberculosis, whose effect is based on blocking the DNA-dependent RNA-polymerase of the bacteria.rifalazilAn antibiotic substance that kills bacterial cells by blocking off the β-subunit in RNA polymerase.rifamycin(pharmacology) Any of a group of antibiotics, a subclass of the ansamycins, which are synthesized either naturally by the bacterium Amycolatopsis mediterranei or artificially.rifaximin(pharmacology) A semisynthetic antibiotic based on rifamycin.riflebirdAny of four species of birds of paradise in the genus Ptiloris.riflebuttAlternative form of rifle butt.riflelikeResembling or characteristic of a rifle.rifleshotA gunshot from a rifle.rigadoonsplural of rigadoonrigamajig(informal) A thingy; a miscellaneous or nameless object.rigescentBecoming stiff or numb.rightableThat can be rightedrightdoer(ethics) A person who does what is right.righteousFree from sin or guilt.righthandAlternative form of right-hand.righthoodThe condition, state, or quality of being right; rightness.rightistsplural of rightistrightlessLacking rights or privileges.rightmostFurthest to the right.rightness(uncountable) The characteristic of being right; correctness.rightsize(business, euphemistic) To downsize.rightsomeMarked by right or rightness; characteristically right and proper; rightful.rightwardTo or from the right.rightwaysIn a correct or normal orientation.rightwingAlternative form of right-wing.rightwiseObsolete spelling of righteous .rigmaroleA long and complicated formal procedure.rigoletteA woman's light scarf-like head covering, usually knitted or crocheted.rigouriseRare spelling of rigorize.rigourismAlternative form of rigorism.rigouristAlternative form of rigorist.rigourizeRare spelling of rigorize.rigourousMisspelling of rigorous.rigsdaler(historical) An obsolete unit of currency used in Denmark, Norway and Danish territories.rigwelted(Yorkshire, dialect) Stuck on one's back, unable to get up.rigwiddieAlternative form of rigwoodie.rigwoodie(obsolete, Scotland) rope, chain, or band that crosses the saddle of a horse to support the attachment of a cart.rijstafelAlternative spelling of rijsttafel.riksdaler(historical) A unit of currency that was used in Sweden between 1777 and 1873.rilandite(mineralogy) A monoclinic black mineral containing aluminum, chromium, hydrogen, oxygen, and silicon.rillettesplural of rilletterimestersplural of rimesterrimiterolA catecholic bronchodilator that activates β2 receptors.rimmakingThe manufacture of wheelrims.rimocidinA macrolide antifungal agent isolated from Streptomyces rimosusringalingThe sound of a bell ringing.ringbarksthird-person singular simple present indicative of ringbarkringboardA board with hooks attached, used in the Irish game of rings.ringboltsplural of ringboltringbonedHaving ringbone, a form of osteoarthritis in horse's feet.ringcraft(boxing) Tactical skill and positioning in the boxing ring.ringdovesplural of ringdoveringfenceA fence which encircles a large area, or a whole estate, within one enclosure.ringfortsplural of ringfortringinessThe quality of being ringy.ringinglyIn a ringing manner.ringleist(microbiology) A ridge on the frustule of Aulacoseiraceae species.ringletedWith the hair in ringlets.ringlettyAlternative form of ringlety.ringlight(photography) Alternative form of ring lightringnecksplural of ringneckringshine(astronomy) Sunlight that is reflected from the ring around a planet (such as the one around Saturn), visible on the night side of the planet.ringsiderA person occupying a ringside seatringstandAlternative form of ring stand.ringstone(art) A carved, contoured, donut-shaped stone object in early Indian art.ringtailsplural of ringtailringtonesplural of ringtoneringworld(science fiction) An artificial megastructure in space, consisting of a rotating ring encircling a star and having an inhabitable inner surface with gravity produced through centripetal force.ringwormsplural of ringwormrinmanite(mineralogy) A hexagonal-dihexagonal pyramidal mineral containing aluminum, antimony, hydrogen, iron, magnesium, manganese, oxygen, and zinc.rinseableSuitable for rinsing.riociguatA drug that is a stimulator of soluble guanylate cyclase (sGC), used to treat pulmonary hypertension.riotouslyIn a riotous manner.riotproofResistant to rioting.ripamatic(advertising) A mockup advertisement assembled from portions of existing advertisements.riparious(Louisiana, archaic, law) Pertaining to riverfront property.ripasudil(pharmacology) A drug derived from fasudil and used to treat glaucoma and ocular hypertension.ripazepamA pyrazolodiazepinone derivative with anxiolytic effects, structurally related to certain benzodiazepine drugs.ripienist(music) A musician in the ripieno portion of an orchestra, especially as opposed to a soloist or concertino section.ripomaticAlternative form of ripamatic.ripoprobeMisspelling of riboprobe.rippingly(dated, slang) splendidly; very wellripplonicRelating to ripplons.risdiplamA drug for the treatment of spinal muscular atrophy.rishathra(science fiction) Sex between any two (or more) humanoids of different species.riskinessThe characteristic of being risky.riskproofResistant to risk.risktakerA person who takes risk, especially to reap the benefits if the feared event is survived, or it does not happen.risocaine(pharmacology) The local anesthetic propyl 4-aminobenzoate.risographA high-speed printing machine used for high-volume photocopying by means of an internal stencil.risperdalSynonym of risperidone.rissaldar(India) A junior officer in a cavalry or armored regiment.rissallahAlternative form of ressala.rissoinidAny sea snail of the family Rissoinidae.ristellidAny skink of the family RistellidaeristrettoAn espresso drink made with less hot water than normal.ritodrine(pharmacology) A sympathomimetic drug (beta-adrenoreceptor agonist) given by intravenous infusion in the form of its hydrochloride C₁₇H₂₁NO₃·HCl to reduce uterine contractility and arrest premature labor.ritonavir(pharmacology) An antiretroviral drug C₃₇H₄₈N₆O₅S₂ of the protease inhibitor class that is administered orally to treat HIV-infected and AIDS patients.ritornellAlternative form of ritornello.ritualiseNon-Oxford British English standard spelling of ritualize.ritualismThe belief that it is necessary for rites or repeated sets of actions to be carried out.ritualistOne skilled in ritual.ritualityThe quality of being ritual.ritualize(US, transitive) To make into a ritual.rituximab(pharmacology) A chimeric monoclonal antibody (trademark Rituxan) administered by intravenous injection especially to treat non-Hodgkin lymphoma and chronic lymphocytic leukemia by binding to the protein CD20 found on the surface of B cells and causing their lysis.rituximubMisspelling of rituximab.ritzinessThe quality of being ritzy.rivabirinMisspelling of ribavirin.rivallessUnrivaled, lacking rivals.rivalling(UK) present participle and gerund of rivalrivalriesplural of rivalryrivalrousHaving a relationship of rivalry.rivalship(now rare) Rivalry.rivalsome(rare) Characterised or marked by rivalryrivennessThe quality of being riven.riverbankA sloped side of a river acting as a barrier between the water and level ground to either side.riverbedsplural of riverbedriverbendA knee or meander in a river.riverboatA watercraft designed for operating on rivers.rivercaneThe plant Arundinaria gigantea.riverduneAlternative form of river dune.riverheadThe head or source of a river.riverhempAny of the genus Sesbania of flowering plants in the pea family.riverhoodThe quality or state of being a river.riverlessWithout a river or rivers.riverlikeResembling or characteristic of a river.riverling(obsolete) A rivulet.riverparkA park near a river.riverportA port along a river.riversideA bank or side of a river.riverwalkA pedestrian street or pathway alongside a river, providing a space for outdoor activity.riverwardToward a river.riverweedAny of the family Podostemaceae of aquatic herbs.riverwiseArranged or classified by river.rivetableAble to be fastened with rivets.rivethead(slang) An aficionado of industrial music.rivetlessWithout rivets.rivetlikeResembling or characteristic of a rivet.rivettingpresent participle and gerund of rivetriviation(law, Old English law) fishingrixdollar(historical) An obsolete currency used in much of continental Europe, as well as some Dutch colonies (even after they had become British).roachbackA grizzly bear of the Bitterroot Range.roachless(nautical) Without a roach (part of a sail).roachlikeResembling or characteristic of a roach (insect).roadblockSomething that blocks or obstructs a road.roadboundA vehicle dependent on roads, or restricted to using roads.roadcraftThe skill of driving a road vehicle.roadgoingTravelling on roads.roadhouse(theater) A receiving house.roadmakerSomeone who or something that builds roads.roadmetalAlternative form of road metal.roadscapeThe visual elements of a road, including adjoining natural and non-natural features such as trees and open spaces, etc, that combine to form the road's character.roadshowsplural of roadshowroadsiderA person who lives or works by the side of a road.roadsidesplural of roadsideroadsignsplural of roadsignroadslopeThe uphill or downhill slope of a road (typically given as a percentage)roadstead(nautical) A partly sheltered anchorage; a stretch of water near the shore where vessels may ride at anchor, but with less protection than a harbour.roadstersplural of roadsterroadstoneAny type of stone or stone product, such as shingle, flints, crushed stone, etc used as a construction material for building roads.roadtestsplural of roadtestroadtripsplural of roadtriproadwheelA wheel that supports the weight of a vehicle, especially one with caterpillar tracks.roadworksplural of roadworkroaringlyWith, or as if with, a roaring sound.roastableSuitable for roasting.roastbeefAlternative spelling of roast beef.roasterieAlternative form of roastery.roastingsplural of roastingroastnear(US, slang) An ear of corn or corn on the cob.robberessA female robber.robberflyAlternative form of robber fly.robberiesplural of robberyrobberishCharacteristic of a robber.robemakerA maker of robes.robinioidAny legume of the clade RobinioidsrobinlikeResembling a robin (the bird).robocallsplural of robocallrobocracyrule by robots; robotocracyrobodroid(science fiction, rare) A droid; a robot.robophileSomeone who likes robots and things associated with them.roborantsplural of roborantroboreous(rare) Sturdy, robust, as an oak tree.roboroachA cockroach that is part organic and part machine; a cyborg cockroach.robothoodThe state or condition of being a robot.robotical(rare) Alternative form of robotic.robotizedsimple past and past participle of robotizerobotkindRobots collectively, regarded as a species.robotlikeHaving some similarity to a robot.robotnessThe state or quality of being a robot.robovirus(pathology, virology) Any virus that is transmitted by an rodent.robustify(software, statistics) To make more robust, that is, more tolerant of unexpected events.robustizeTo make robust.rocaillesplural of rocaillerocamboleThe sand leek, Allium scorodoprasumroccellinA red dyestuff, the sodium salt of a complex azo derivative of naphtol.rockathon(slang) A prolonged session of playing or listening to rock music.rockawaysplural of rockawayrockbandsplural of rockbandrockberrySynonym of mossberry (“Empetrum nigrum”).rockboundSurrounded by rocks.rockbrakeAny fern in the genus Cryptogramma.rockburstA sudden, violent collapse of rock under stress, especially in a mine.rockchuckThe yellow-bellied marmot, Marmota flaviventris.rockcressAny of several similar genera of flowering plants in the family Brassicaceae: in genera Arabis, with primarily Old World species; Arabidopsis (syn. Cardaminopsis), with primarily Old World species; and Boechera and Braya, with primarily North American species.rockdrillAlternative form of rock drill.rockeriesplural of rockeryrockerishCharacteristic of a rocker (fan of rock music).rockesque(music) Similar to rock music.rocketeerSomebody who designs, launches, operates, or travels in a rocket.rocketingpresent participle and gerund of rocketrocketmanA rocketeer or rocket scientist.rockfacesplural of rockfacerockfallsplural of rockfallrockfinchA pale rockfinch, a bird of species Carpospiza brachydactyla, the sole species in genus Carpospiza, native to Asia.rockglassAlternative spelling of rock glass.rockhoundAlternative spelling of rock hound.rockhouseAlternative form of rock house.rockinessThe state or quality of being rocky.rockinglyWith a rocking sound or motion.rockmelon(Australia, New Zealand) A type of melon, Cucumis melo var. reticulatus, with sweet orange flesh and a rough skin resembling netting.rockpoolsplural of rockpoolrockproofResistant to damage caused by rocks.rockscapeA landscape dominated by rocks.rockshaftAlternative form of rock shaft.rockshelfA relatively flat stretch of rock, as at a coastline.rockslide(geology) A type of landslide characterized by falling rocks.rocksnailAny of various snails that live in rocky environments.rockstackA stack of rocks balanced on top of one anotherrockstarsplural of rockstarrockstone(Jamaica) A pebble.rockwaterAlternative form of rock water.rockweedsplural of rockweedrockwheelA toothed wheel used to excavate trenches.rockworksplural of rockworkrococoishSomewhat rococo in style.rodbuster(slang, construction) A concrete-reinforcing ironworker.rodentialCharacteristic of a rodent.rodentianSynonym of rodential.rodfisherAn angler who fishes with a rod.rodgersia(botany) Any member of the genus Rodgersia.rodholithMisspelling of rhodolith.rodiasine(organic chemistry) A bisbenzylisoquinoline alkaloid first isolated from the South American greenheart tree Chlorocardium rodiei.rodingite(mineralogy) A metasomatic rock composed of grossular-andradite garnet, calcic pyroxene, vesuvianite, epidote and scapolite.rodknightSynonym of radman.rodshapedAlternative form of rod-shaped.roentgensplural of roentgenrofecoxib(pharmacology) A COX-2 inhibitor C₁₇H₁₄O₄S (trademark Vioxx) used to relieve the signs and symptoms of osteoarthritis and rheumatoid arthritis, to manage acute pain in adults, and to treat primary dysmenorrhea but withdrawn from sale by the manufacturer because of its link to cardiovascular events (as heart attack and stroke).roflstomp(video games, slang) To defeat (an opponent) easily and decisively; to trounce.roflurane(pharmacology) 2-bromo-1,1,2-trifluoroethyl methyl ether, a halocarbon drug investigated as an inhalational anesthetic but never marketed.rogainingA sport of long-distance cross-country navigation, involving both route planning and navigation between checkpoints using a variety of map types.rogationsplural of rogationroguelike(video games) Of, relating to, or characteristic of the roguelike genre.roguelingA little or petty rogue.rogueliteAlternative form of rogue-lite.rogueriesplural of rogueryrogueship(humorous) The quality or state of being a rogue.roguishlyIn a roguish manner.roistererOne who roisters; a reveller.roisterlyIn a roistering manner.rolemodelAlternative form of role model.rollaboutFitted with wheels allowing it to be transported from place to place.rollatiniAn Italian-style dish made with thin slices of meat or eggplant dusted in wheat flour or lightly breaded and covered with ricotta, then rolled up and baked.rollbacksplural of rollbackrollcallsplural of rollcallrollerman(metalworking) A person employed in a roller mill to insert the hot metal into the rolls.rollerskiA form of ski fitted with rollers (small wheels) at each endrollickedsimple past and past participle of rollickrollickerOne who rollicks.rollinglyWith a rolling motion.rollnecksplural of rollneckrolloversplural of rolloverrollunder(pinball) A raised target above the pinball table that is activated when the ball rolls underneath it.romaction(fiction) Action romance.romancersplural of romancerromancingpresent participle and gerund of romanceromancist(archaic) A romancer or romanticist.romanesca(music) A galliard.romanescoAlternative letter-case form of Romanesco.romanisedsimple past and past participle of romaniseromanisesthird-person singular simple present indicative of romaniseromanizedThat is written in the Latin alphabet.romanizesthird-person singular simple present indicative of romanizeromantasy(uncountable) A genre of literature combining elements of both romance and fantasy.romanticaErotic romance.romantickObsolete form of romantic.romanticsplural of romanticromantismAlternative form of romanticism.romerilloAny of several plants found in Latin America, often with foliage resembling rosemary leaves.rompering(Ireland, historical) The abduction of a victim to a room where they are tortured and murdered.rompinglyIn a romping manner.rompishlyIn a rompish manner.rondavelsplural of rondavelrondellesplural of rondelleronivirusAny virus of the family Roniviridae that typically infect crustaceansronnabyte(computing) One octillion (10²⁷) bytes. SI symbol: RB.ronnagram(metrology) An SI unit of mass equal to 10²⁷ grams. Symbol: Rgrontogram(metrology) An SI unit of mass equal to 10⁻²⁷ grams. Symbol: rgrooburgerA burger made with kangaroo meat.roodloftsplural of roodloftrooflightAlternative form of roof light.roofplateAlternative form of roof-plate.roofscapeA landscape above ground formed by roofs of buildings.roofspaceThe space inside a roof (between the roof and the ceiling).roofspall(archaeology) debris from the roof (and walls) of a cave or similar shelterrooftreesplural of rooftreerooiboschAlternative form of rooibos.rookeriedHaving a rookery.rookeriesplural of rookeryroominessThe quality of being roomyroommatesplural of roommateroomscaleAlternative form of room-scale.roorbacksplural of roorbackroostcock(UK, dialect, obsolete) The male of the domestic fowl; a cock.roosterlyResembling or characteristic of a rooster.roostmateA bird that shares a roost with another.rootbeersplural of rootbeerrootbound(of a potted plant) Having outgrown its pot, so that the roots are cramped and tangled.roothairsplural of roothairrootinessThe quality of being rooty.rootogramA frequency graph in which one axis is scaled by the square root of the frequencies, so as to emphasize the smaller values.rootstalk(botany) Synonym of rhizome.rootstock(figurative, by extension) The necessary basis for something to develop.ropemakerA maker of ropes.ropetrickAlternative form of rope trick.ropewalksplural of ropewalkropeyarnsplural of ropeyarnroquesite(mineralogy) A tetragonal-scalenohedral gray mineral containing copper, indium, and sulfur.roquetingpresent participle and gerund of roquetrortinessThe state of being rorty; boisterousness; vitality.rortynessAlternative spelling of rortiness.rosaceous(botany, relational) Of or relating to a rose, or a member of the Rosaceae family of plants.rosanilinAlternative form of rosaniline.rosariansplural of rosarianrosariumsplural of rosariumroseatelyIn a roseate manner; rosily.rosefinchAny of the birds in the genus Carpodacus of the finch family.rosemaled(US) Adorned with rosemaling.roseolousOf or pertaining to a roseola.rosepetalAs soft, delicate or (red- or pink-) coloured as the petal of a rose.roserootsplural of roserootrosetting(biochemistry) A phenomenon where erythrocytes are arranged around a central cell to form a cluster that looks like a flower.rosewaterA liquid produced by steeping rose petals in water, used as a coloring agent and a flavoring ingredient in certain foods.rosewoodsplural of rosewoodrosinbackA horse used for bareback riding performances.rosindoleA red indole dyerosinweedAny of various composite plants which secrete resins or have a resinous smell; for example, several species in the genus Silphium in the composite family.rosinwoodAny plant of the genus Silphium.rosmarine(obsolete) Dew from the sea.rosogollaAlternative form of rasgulla.rostellarPertaining to a rostellum.rostellumA small beak-like process or extension; a small rostrum.rosteringpresent participle and gerund of rosterrosteriteA blue variety of beryl.rostrallyIn a rostral directionrostrulum(obsolete, entomology, anatomy) A little rostrum (beak-like projection of an insect).rosybellsThe perennial plant Streptopus lanceolatus.rotaliine(zoology) Belonging or relating to the Rotaliina.rotameter(physics) A device used to measure fluid flow, in which a float rises in a tapered vertical tube to a height dependent on the rate of flow through the tuberotaplaneAn aircraft which creates lift by means of rotorsrotascope(archaic) gyroscoperotatableHaving the ability to rotate.rotatably(engineering) So as to be movable by rotation.rotationsplural of rotationrotatores(anatomy) A group of muscles that lie beneath the multifidus. Somewhat quadrilateral in form, they are present in all spinal regions but most prominent in the thoracic region; they are eleven in number on either side.rotavaporA rotary evaporatorrotavatedsimple past and past participle of rotavaterotavatorA machine with rotating blades designed to break up or till soil.rotaviralOf or pertaining to rotaviruses.rotavirusAny of a group of wheel-shaped viruses, of the genus Rotavirus, that causes gastroenteritis and diarrhea in children and animals.rotiferalOf or relating to the Rotifera.rotiferanRelating to the rotifers.rotograph(transitive) To print by this process.rotometerAlternative form of rotameter.rotorlessWithout a rotor.rotoscope(film, television, visual effects) A technique in which animators trace live-action movement frame by frame.rotovatedsimple past and past participle of rotovaterotovatorAlternative form of rotavator.rotovirusMisspelling of rotavirus.rottenestsuperlative form of rotten: most rottenrottenishSomewhat rotten.rottlerin(biochemistry) A protein kinase inhibitor derived from the kamala tree (Mallotus philippinensis, syn. Rottlera tinctoria).rotundate(archaic, botany) Rounded, especially at the end or corners.rotundene(organic chemistry) A tricyclic hydrocarbon derived from Cyperus rotundus. IUPAC name 1,5,9-trimethyltricyclo[6.2.2.0^(2,6)]dodec-9-enerotundityThe quality of being rotund.rotundone(organic chemistry) A sesquiterpene responsible for a peppery taste in wine.rotundous(nonstandard) Rotund.rougelikeResembling or characteristic of rouge.roughdrawAlternative form of rough-draw.roughdrewsimple past of roughdrawroughenedsimple past and past participle of roughenroughheadA fish, the common shiner, Luxilus cornutus.roughhewnAlternative form of rough-hewn.roughings(UK, archaic, dialect) rowen; a second crop of hayroughneck(colloquial, chiefly US) A labourer on an oil rig or in the oilpatch, either skilled or semiskilled.roughnessThe property of being rough, coarseness.roughshod(farriery) Of a horse: having hooves shod with horseshoes that have calks or projecting parts to prevent slipping.roughsomeCharacterised or marked by roughness; crude; unrefinedroughspun(of a garment or cloth) Woven from a coarsely spun yarn, (usually also from a coarse material).roughtail(zoology, in animal names) Having a rough tail.roughwingA swallow of the genus Stelgidopteryx.roughwork(dated, rare, transitive) To work over coarsely, without regard to nicety or smoothness.roulement(British, military) a short deployed tour for a major combat unit or other grouping of personnel on a continuing operation.roulettedsimple past and past participle of rouletteroulettesplural of rouletterouncivalAlternative spelling of rounceval.roundback(uncountable) Kyphosis.roundball(US, slang, originally African-American) The sport of basketball.roundedlyIn a rounded manner.roundelay(music) A poem or song having a line or phrase repeated at regular intervals.roundfishAny fish that is not a flatfish.roundhandA style of handwriting in which the letters are well rounded and free.roundhead(of a screw) Having a dome-shaped head.roundheelAlternative form of roundheels.roundleaf(botany, in the names of plants) Having round leaves.roundletsplural of roundletroundnessThe quality or degree of being round.roundrect(computer graphics) A rectangle with rounded corners.roundsideOn the curved side.roundsmanA worker who makes rounds, especially in order to deliver goods.roundsmenplural of roundsmanroundtopsplural of roundtoproundtrip(computing, transitive) To export (a file, data, etc.) and eventually import it again without loss of fidelity.roundwoodTimber as it is cut from the tree, including the bark and without any processing or shaping into planks.roundwormAn invertebrate animal of the phylum Nematoda and other similar phyla. Many species of roundworms are parasites.rousinglyIn a rousing manner.roussetteAny of certain fruit bats:routeableAlternative form of routable (“able to be routed”).routelessWithout a route.routinary(now chiefly Philippines) Involving, or pertaining to, routine; customary.routineerOne who follows routine rather than innovating.routinelyIn a routine manner, in a way that has become common or expected.routiniseAlternative spelling of routinize.routinishCharacterized by routine; mechanical.routinismprevalence of, or domination by, routineroutinist(dated) Someone who follows a routine.routinizeTo make routine, to make common by repetition.routously(obsolete, law) Violating the law called a rout (illegal gathering of people).rouxelite(mineralogy) A monoclinic-prismatic black mineral containing antimony, copper, lead, mercury, oxygen, and sulfur.roverback(American football) A defensive back position whose coverage responsibilities are a hybrid of those of a cornerback, safety and linebacker.rowboater(nautical) Someone who rows in a rowboat.rowdinessThe state of being rowdy.rowhousesplural of rowhouserowmotion(mathematics) A certain operation on the order ideals (or antichains) of a finite poset.roxarsonethe compound 4-hydroxy-3-nitrobenzenearsonic acid once used as an additive in chicken feedroxindole(medicine) A dopaminergic and serotonergic drug once used to treat schizophreniaroyalisin(biochemistry) A defensin-like peptide found in royal jelly.royalistsplural of royalistroyalnessQuality of being royal.royaltiesplural of royaltyroysterer(obsolete) Someone who revels, a partierrubatosis(neologism) The unsettling awareness of one's own heartbeatrubberfulEnough to fill a rubber (any sense).rubberiercomparative form of rubbery: more rubberyrubberilyIn a rubbery manner.rubberingpresent participle and gerund of rubberrubberiseAlternative spelling of rubberize.rubberismFetishism for rubber or rubberwear.rubberistSomeone with a fetish for rubber or rubberwear.rubberize(transitive) To coat with rubber or a similar material.rubberoidMade of rubber, or of a material resembling rubberrubberousSynonym of rubbery.rubbinglySo as to rub; with a rubbing action or motion.rubbishedsimple past and past participle of rubbishrubbisherSomeone who criticizes, ridicules, or belittles.rubbishesplural of rubbishrubbishly(archaic) worthless; rubbishyrubelliteA red to violet variety of tourmaline used as a gemstone.rubescentturning red; reddeningrubicelle(mineralogy) An orange-red spinel.rubicline(mineralogy) A triclinic-pinacoidal colorless mineral containing aluminum, oxygen, potassium, rubidium, and silicon.rubifyingpresent participle and gerund of rubifyrubineousOf a glassy semitransparent crimson, like a ruby.rubiretin(chemistry) One of the red dye products extracted from madder root, probably identical with ruberythrinic acid.rubitecanA particular drug designed to treat cancer.rubivirusAny member of the genus Rubivirus; a rubella virus.rubricate(transitive) To write in the form of a rubric.rubricianSomeone versed in, or strictly adhering to, the rubric or rubrics.rubricism(Christianity, derogatory) A pedantic or scrupulous emphasis on following rubrics, that is, written directions and regulations, in celebrating the liturgy.rubricistof or pertaining to rubricismrubricity(religion) Accordance with the religious rubric.rubricose(botany) Marked with red.rubrisher(historical) A painter of ornamental letters in early manuscripts.rucaparibA drug being developed as a cancer treatment.rucervineof or pertaining to the deer of the genus Rucervus.rucksacksplural of rucksackruckwoman(Australian rules football) A female ruck; a woman who contests rucks.ructation(archaic) A burp.rudbeckiaAny member of the genus Rudbeckia of coneflowers.ruddinessThe property of being ruddy.ruddlemanSomeone who deals in ruddle (red ochre), usually itinerant and red-stainedrudenture(architecture) cablingrudimentsplural of rudimentrudiviralRelating to rudiviruses.rudivirusAny virus of the genus RudivirusrudrakshaThe dried seed of a large evergreen broad-leaved tree, Elaeocarpus ganitrus, which is traditionally used as prayer beads in Hinduism.rufescentBecoming reddish; tinged with red.ruffemansAlternative spelling of ruffmans.ruffianlyLike or having the qualities of a ruffian.rugburnedHaving rugburns.rugbylikeSimilar to or reminiscent of rugby.ruggalachAlternative spelling of rugelach.ruggedestsuperlative form of rugged: most ruggedruggedise(transitive) Alternative spelling of ruggedize.ruggedizeTo produce a more rugged version of something, so that it will withstand rough treatment.ruggelachAlternative spelling of rugelach.rugheadedAlternative form of rug-headed.rugmakingThe manufacture of rugs.rugoscopyimaging of palatal rugae as an aid to identification of individualsrugosinin(organic chemistry) A kauranoid derivative present in Isodon rugosusrugulosinAny of a group of toxins produced by Penicillia.ruinationThe state of being ruined, a state of devastation or destruction.ruiniform(geology, mineralogy) Having the appearance of the ruins of buildings, despite being natural in origin.ruinouslyin a way that will cause ruinrulebooksplural of rulebookruleboundBound by rules; rigidly uncompromising.rulemakerA maker of rules: a person, deity, or other agent (usually a sentient one, in most contexts) who makes the rules.rulerlessWithout a ruler.rulershipA position in which one rules or has sovereignty over others.rulesless(rare) Without rules.rulleyman(archaic) A man who operated a rulley.rumbalikeResembling or characteristic of rumba.rumblingsplural of rumblingrumdriverA cocktail containing rum, orange juice, and a small wedge of lime; an alternative to a screwdriver with rum substituted for vodka.rumenitisInflammation of the rumen.ruminallyIn terms of, or by means of, the rumen.ruminantsplural of ruminantruminatedsimple past and past participle of ruminateruminatesthird-person singular simple present indicative of ruminateruminatorOne who ruminates; one who meditates or reflects.ruminitisinflammation of the rumenrummagersplural of rummagerrummagingpresent participle and gerund of rummagerumminess(UK, colloquial, dated) The quality of being rummy, or odd.rumoredlyAccording to rumor.rumoritis(humorous) A tendency to spread rumors.rumortism(humorous) A tendency to spread rumors or gossip.rumourousAlternative form of rumorous.rumpologyThe claimed ability to foretell the future by reading the characteristics of a person's buttocks.rumpsteakDated form of rump steak.rumrunnerAn illegal smuggler of rum.rumseller(US, dated) Someone who sells rum and other intoxicating liquors, especially at retail.runaholic(informal) One who is addicted to running.runaround(idiomatic) An evasive explanation in the form of multiple excuses.runcation(obsolete) The act of weeding by hand.runcinate(botany, of leaves) Having tooth-like projections pointing away from the apex.runecraftKnowledge of runes; skill in deciphering runic characters.runesmithOne who carves runes.runestaff(archaic or puristic) A runic letter or character.runestaveAlternative form of runestaff.runestone(archaeology) An ancient monument consisting of a typically raised stone with a runic inscription.runholder(chiefly New Zealand) A person who leases or owns a run (“rural landholding for farming”), especially one for raising sheep.runninessThe state or characteristic of being runny or free-flowing.runninglyIn a running manner; so as to run.runscorer(cricket) Someone who scores runs.runtinessThe quality of being runty.runtishlyIn a runtish manner.rupchanda(South Asia, cooking) A Chinese silver pomfret, Pampus chinensis.rupestral(art, archaeology) Made on or placed on rock surfaces.rupturingpresent participle and gerund of ruptureruralismsplural of ruralismruralistsplural of ruralistruralizedsimple past and past participle of ruralizeruralizesthird-person singular simple present indicative of ruralizeruralnessThe quality of being rural.rurbanismRurban living generally; the combination of urban and rural characteristics in a place.rurbanistSynonym of rurbanite.rurbaniteA person who lives in a rurban area; someone who lives in the country but works in the city.rurbanize(transitive) To make rurban.ruscosideA particular steroid glycoside.rushinessThe quality of being rushy.rushinglyWhile rushing; in a great hurry.rushlight(historical) A type of inexpensive candle formed by soaking the dried pith of the rush plant in fat or grease, which emits light for a relatively short period of time.russetingRusset (a coarse reddish fabric).russetishSomewhat russet in colour.russettedsimple past and past participle of russetrussulone(organic chemistry) An organic compound found in some lichens.rustfullyIn a rustful manner.rusticate(transitive) To construct so as to produce jagged or heavily textured surfaces.rusticiseAlternative form of rusticize.rusticismA rustic custom or characteristic.rusticityThe quality of being rustic.rusticize(transitive) To make rustic.rusticola(obsolete) Scolopax rusticola, the Eurasian woodcock.rustinessThe state of being rusty.rustlingsplural of rustlingrustproofResistant to rust, oxidation and corrosion.rustumite(mineralogy) A monoclinic-prismatic colorless mineral containing calcium, chlorine, hydrogen, oxygen, and silicon.rustybackAsplenium ceterach (syn. Ceterach officinarum), a fern with orange-brown trichomes.rustygutsAlternative form of rusty guts.rustyhoodAny of a number of orchids in the genus Pterostylis.rutabagasplural of rutabagarutaceous(botany) Of or relating to plants of the family Rutaceae.rutamycin(pharmacology) Any of a particular group of related macrolide antibiotics.ruthenate(inorganic chemistry) The oxyanion of ruthenium RuO₄²⁻; any salt or mineral containing this anion, formally derived from ruthenic acid.ruthenian(mineralogy) Containing rutheniumrutheniumA metallic chemical element (symbol Ru) with an atomic number of 44.ruthfully(manner) In a manner that is ruthful:ruticillaA bird, the redstart.rutilance(rare) redness; a red glow; the quality of being rutilantrutilatedsimple past and past participle of rutilaterutinosyl(organic chemistry, especially in combination) A univalent radical derived from rutinoserutterkin(obsolete, derogatory) An old crafty fox or beguiler.ruttinessThe quality of being rutty.ruttishlyIn a ruttish manner.ryanodine(biochemistry, physiology) A poisonous alkaloid which occurs in the stems of the tropical American shrub Ryania speciosa (family Flacourtiaceae) and has been used as an insecticide and in experimental studies of calcium release within cells.ryazhankaA type of East Slavic yogurt-like beverage made from baked milk.ryebreadsplural of ryebreadrymovirusAny virus of the genus RymovirusryotwarriDated form of ryotwari.ryotwarryDated form of ryotwari.rysimeterAlternative form of rhysimeter.
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