Browse Other R Word Lengths
10-Letter R Words by Ending Letter
All 2,563 10-Letter Words Starting With R
raajkumaar(India) Prince or king.rabbinicalOf or relating to rabbis, their writings, or their work.rabbitbushSynonym of rabbitbrush.rabbitfishAny fish in the family Chimaeridae, cartilaginous fish in the order Chimaeriformes.rabbitholeAlternative form of rabbit hole.rabbithoodThe state or essence of being a rabbit.rabbitkindThe entirety of rabbits; all rabbits collectively as a group.rabbitlessWithout rabbits.rabbitlikeSimilar to a rabbit, or an aspect of a rabbit (for example, its shape, behaviors, or other traits).rabbitling(rare) A small or young rabbit.rabbitskinThe skin of a rabbit.rabbittite(mineralogy) A monoclinic mineral containing calcium, carbon, hydrogen, magnesium, oxygen, and uranium.rabbitweedThe plant Gutierrezia sarothrae.rabbitwiseIn the manner of a rabbit.rabbitwoodPyrularia pubera, a shrub in the sandalwood family.rabblement(obsolete) A crowd of common people; a rabble.rabblesomeCharacteristic or typical of (a) rabblerabdomancyAlternative form of rhabdomancy.rabejacite(mineralogy) An orthorhombic mineral containing calcium, hydrogen, oxygen, sulfur, and uranium.rabulisticSynonym of rabulous.raccoonishResembling or characteristic of a raccoon.raccoonpoxA viral disease of raccoonsracecationA vacation consisting mainly of visiting race venues.racecourseA course over which races are run.racefemineAn antispasmodic drug.racehorsesplural of racehorseracemaking(sociology) The formation of sociocultural ideas about races of people.racemationA cluster or bunch, as of grapes.racemelikeResembling or characteristic of a raceme.racemiformHaving the shape of a raceme.racemisingpresent participle and gerund of racemiseracemizingpresent participle and gerund of racemizeracemoselyIn a racemose manner.racemosideAny of a family of nonsteroidal saponins that induces programmed cell death in Leishmaniaracemulose(botany, dated) Growing in very small racemes.racenicity(sociology, rare, neologism) A social construct combining race and ethnicity.racerunnerAny of a group of lizards, of the family Teiidae, native to the Americas.racetracksplural of racetrackracewalkerOne who participates in the sport of racewalking.rachialgia(medicine, dated) A kind of back pain, especially Pott's disease or (formerly) lead colic.rachialgicHaving or relating to rachialgia.rachicerid(zoology) Any fly in the family Rachiceridae, now considered to be the xylophagid subfamily Rachicerinae.rachiotomy(surgery) The surgical procedure of cutting, or making an incision in a vertebra.rachipagus(medicine, obstetrics) A conjoined twin, or a pair of conjoined twins, exhibiting fusion of the back.racialisedsimple past and past participle of racialiseracialiserNon-Oxford British English standard spelling of racializer.racialistsplural of racialistracializedsimple past and past participle of racializeracializerOne who racializes.racializesthird-person singular simple present indicative of racializeracinglikeResembling or characteristic of racing.racization(sociology) The way in which race becomes defined.rackabones(informal, derogatory) A very lean person or animal, especially a lean horse.racketballAlternative spelling of racquetball.racketeersplural of racketeerracketlikeResembling or characteristic of a racket (implement with a handle used in sports).rackmaster(historical) The person who operates a rack (instrument of torture).racktastic(slang, humorous, slightly vulgar) possessing especially attractive or impressive breasts.raclopride(pharmacology) A synthetic compound that acts as an antagonist on D₂ dopamine receptors.raconteursplural of raconteurraconteuseA female storyteller.radafaxineA metabolite of bupropion being investigated for treatment of restless leg syndrome and as an NDRI antidepressant.radarscopeAn oscilloscope used as the viewing screen of a radar system.radialmost(anatomy) Nearest to the radius bone.radianciesplural of radiancyradiationsplural of radiationradicaliseNon-Oxford British English standard spelling of radicalize.radicalishSomewhat radical or revolutionary.radicalismAny of various radical social or political movements that aim at fundamental change in the structure of societyradicalistRelating to radicalism.radicalityThe quality of being radical; radicalness.radicalize(transitive) To make radical.radicarian(archaic) Relating to roots.radicatingpresent participle and gerund of radicateradicationThe process of taking root, or state of being rooted.radicative(obsolete, rare) causing to take root, establishingradicchiosplural of radicchioradiciform(botany) Having the nature or appearance of a root (radix).radicolousAlternative form of radicicolous.radiculoseProducing many rootlets or radicles.radiculous(botany, medicine, uncommon) Of or pertaining to a radicle (nerve root, or rudimentary shoot of a plant from which a root is developed downward).radiferouscontaining radium (or other material used for radiotherapy)radioargonradioactive argonradioassayAn assay of an ore or some other radioactive sample to determine the intensity of its radiation.radioboronradioactive boronradioclast(pseudoscience, historical) An electronic device that was supposed to cure disease, operating based on tables of frequencies.radiodecayradioactive decayradiodromeA pursuit curve, in which the thing being pursued is moving at constant velocity.radioflash(UK, dated) electromagnetic pulseradiogenicOf, pertaining to, or caused by radioactivity.radiogramsplural of radiogramradiographAn image, often a photographic negative, produced by radiation other than visible light; especially an X-ray photograph.radiolabelTo tag a substance (especially a biological substance) with a radioactive tracerradiolariaThe members of the taxonomic subclass Radiolaria; radiolarians.radiolitesplural of radioliteradiolitic(geology, of igneous rock) Having fanlike groupings of acicular crystals.radiolitidOf, or relating to the genus Radiolites or the family Radiolitidae, or composed of their remains.radiologicOf or pertaining to radiology.radiolysis(chemistry) The dissociation of a molecule as a result of radiationradiolyticOf, pertaining to, caused by, or causing radiolysisradiomericMisspelling of radiometric.radiometalAny of several alloys, mostly of nickel and iron, that have a high magnetic permeabilityradiometerA device that measures radiant energy.radiometry(physics) The branch of science that deals with the detection and measurement of radiant electromagnetic energy.radiomodemAlternative form of radio modem.radiomovie(historical) A kind of primitive film transmitted by radio signals.radiopagerA pager (telecommunication device) that operates by means of radio signals.radiopaqueImpenetrable to X-rays and other radiation.radiophileAny radiophilic organism.radiophony(dated) The use of the radiophoneradiophotoA radiophotograph.radioprobeA probe fitted with a radio transmitterradioquiet(astronomy) Not producing radio emissions.radioscopeAn instrument for detecting or studying X-rays.radioscopyexamination of objects by the use of X-rays; radiologyradioshackAlternative form of radio shack.radiosondeA miniature radio carried aloft (e.g. by an uncrewed balloon, an airdrop from a crewed aircraft, or a sounding rocket) to automatically transmit measurements of the upper air such as the wind speed, pressure, temperature, and relative humidity to a receiving station on the ground.radiosportA sport combining radio direction finding and orienteering; transmitter hunt.radioteria(US, dated, rare) A store that sells radios.radiotoxictoxic because of its radioactivityradiotoxinAny radiotoxic substance.radioulnar(anatomy) Relating to the radius and ulna; relating to a radioulnaradiowasteradioactive wasteradiowavesplural of radiowaveradioxenonradioactive xenonradishlikeResembling or characteristic of a radish.radiumizer(historical) A device for treating water with radium, once believed to have health benefits.radiumlikeResembling or characteristic of radium.radonproofResistant to the harmful effects of radon.radovanite(mineralogy) An orthorhombic-dipyramidal pistachio green mineral containing arsenic, copper, hydrogen, iron, and oxygen.rafampacinMisspelling of rifampicin.raffinatedsimple past and past participle of raffinateraffinatesplural of raffinaterafoxanide(pharmacology) A salicylanilide used as an antiparasitic agent.rafterlessWithout rafters.raftswomanA female raftsman.ragamuffinA dirty, shabbily-clothed child; an urchin.rageaholic(slang) A person who feeds on expressing rage and aggression.ragebaiterA person who engages in ragebaiting.raggastaniAlternative letter-case form of Raggastani.raggednessThe characteristic of being ragged.ragmatical(obsolete) Wild or riotous.ragpickersplural of ragpickerrailbridgeA bridge for railway transportrailcarful(rare) The amount that will fit in a railcar.railleriesplural of railleryrailroaderOne who works for a railroad company.railwayanaItems related to railways, especially collectibles.railwaydomThe world or sphere of railways.railwayishResembling or characteristic of a railway.railwayist(rail transport, UK, dated) A railway enthusiast or railfan.railwaymanA man who works on a railway.railwaymenplural of railwaymanrailworkerSomeone who works on a railway.rainbarrelAlternative spelling of rain barrel.rainbowishResembling a rainbow.rainbowism(South Africa, derogatory) The disregarding or sugarcoating of race-related issues using the idea of the Rainbow Nation.rainchecksplural of raincheckraincloudsplural of raincloudraincoatedWearing a raincoat.raincoater(slang) A fan of pornography who prefers movies with as much sex and as little plot or character development as possible.raindroppyResembling or characteristic of a raindrop.rainforestA forest in a climate with high annual rainfall and no dry season.raingardenAlternative form of rain garden.raingaugesplural of raingaugeraingutterAlternative form of rain gutter.rainjacketThe jacket counterpart of a raincoat; (loosely) any raincoat.rainlesslyIn a rainless way; without rain.rainmakersplural of rainmakerrainmakingThe attempted artificial production of rain, either by use of magic or by seeding clouds.rainprintsplural of rainprintrainscreenSynonym of rainshade.rainshadow(meteorology) Alternative form of rain shadow.rainshowerAlternative form of rain shower.rainsoakedSaturated with rainwater.rainsticksplural of rainstickrainstormsplural of rainstormrainstormyUndergoing a rainstorm.rainwashedwashed by the rainrainwatersplural of rainwaterraisednessQuality of being raised.raisinlessWithout raisins.raisinlikeResembling or characteristic of a raisin.raisonneur(literature) A person in a play or book embodying an author's viewpoint.raiyatwariAlternative form of ryotwari.rajamuffin(slang, uncommon) Synonym of Raggastani.rajpramukh(India, historical) An appointed governor in Part B states of India, from independence in 1947 until 1956.rakishnessThe property of being rakish.ralitolineAn anticonvulsant drug.rallycrossA format of car racing in which drivers race over wild terrain and specially designed roads, meant to simulate a cross-country ride within a purpose-built circuit.rallyinglySo as to rally; teasingly.raloxifene(pharmacology) A drug with the chemical formula C₂₈H₂₇NO₄S, used orally as prophylaxis against osteoporosis after menopause.ralstonite(mineralogy) An isometric-hexoctahedral mineral containing aluminum, fluorine, hydrogen, magnesium, oxygen, and sodium.ramatrobanA thromboxane receptor antagonist used in treating coronary artery disease and asthma.ramazzoite(mineralogy) A polyoxometallate mineral containing copper, oxygen, carbon, hydrogen, magnesium, phosphorus and sulphur.rambergite(mineralogy) A hexagonal-dihexagonal pyramidal mineral containing manganese and sulfur.ramblesomeCharacterised or marked by ramblingramblinglyIn a rambling manner.ramdohrite(mineralogy) A monoclinic-prismatic bluish black gray mineral containing antimony, lead, silver, and sulfur.ramifiable(mathematics) Capable of being subdivided into branches.ramificate(biology) Branched.ramigerous(botany) Bearing branches; branched.ramiprilat(pharmacology) The active metabolite of the prodrug ramipril.ramoplaninA glycolipodepsipeptide antibiotic drug derived from Actinoplanes.ramosetron(pharmacology) A serotonin receptor antagonist for the treatment of nausea and vomiting.rampacioushigh-spiritedrampageousViolent and boisterous; unruly.rampagiousAlternative spelling of rampageous.rampallian(obsolete) A mean wretch; a low person.rampartingpresent participle and gerund of rampartramphastid(zoology) Any member of the Ramphastidae; a toucan.ramraidingBreaking into premises, for the purpose of robbery, by ramming a heavy vehicle through a window or wall.ramroddingpresent participle and gerund of ramrodramshackleIn disrepair or disorder; poorly maintained; lacking upkeep, usually of buildings or vehicles.ramshacklyCharacteristic of something ramshackle; in disrepair; appearing ready to collapse; rickety.ranachrome(organic chemistry) The fluorescent pigment 6-hydroxymethylpterin found in frog skinranaspumin(biochemistry) A surfactant protein found in the foam nests of tropical frogs.ranbezolid(organic chemistry) A particular antibacterial oxazolidinonerancescent(archaic) Becoming rancid or sour.rancheriasplural of rancheriaranchettesplural of ranchette (a small ranch.)ranchhouseA ranch-style house.ranchwomanThe female equivalent of a ranchman.rancidnessThe characteristic of being rancid.rancorlessFree from rancor.rancourousObsolete form of rancorous.randombredBred without selective mating.randomisedsimple past and past participle of randomiserandomiserAlternative spelling of randomizer.randomistaA proponent of randomized trials as the optimal form of research.randomizedsimple past and past participle of randomizerandomizerOne who, or that which, randomizes (often practically extended to pseudorandomization as well).randomizesthird-person singular simple present indicative of randomizerandomlessWithout randomness; not (at) random; (by extension) routine; predictablerandomlikeTypically or characteristically randomrandomnessThe property of all possible outcomes being equally likely.randomwise(rare) randomlyrangatirasplural of rangatirarangebased(mathematics) Having a basis in rangesrangeblock(wiki jargon, chiefly Wikimedia jargon) The blocking of access from an entire range of IP addresses.rangebound(finance, of stocks and shares) Having a price constrained to lie between certain upper and lower limits.rangelandsplural of rangelandrangershipThe role or status of keeper of a forest or park.ranirestatAn aldose reductase inhibitor being developed for the treatment of diabetic neuropathy.raniseptinAny of a group of antimicrobial peptides present in the skin of the anuran Hypsiboas ranicepsranitidine(pharmacology) A furan (trademark Zantac) which blocks the histamine H₂-receptors, to prevent the secretion of gastric acid.rankachite(mineralogy) An orthorhombic-dipyramidal mineral containing calcium, hydrogen, iron, oxygen, tungsten, and vanadium.rankamaite(mineralogy) An orthorhombic-dipyramidal mineral containing aluminum, hydrogen, lead, lithium, niobium, oxygen, potassium, sodium, and tantalum.ranklementThe state of being rankled; resentmentranklinglyIn a way that rankles.rannygazooNonsense, deception; foolishness, fuss, exaggerationranolazine(pharmacology) A drug C₂₄H₃₃N₃O₄ taken orally in the treatment of angina pectoris. It is marketed under the trademark Ranexa.ransackersplural of ransackerransackingpresent participle and gerund of ransackransackledsimple past and past participle of ransackleransomableSuitable for being held for a ransom.ransomlessIncapable of being ransomed; without ransom.ransomware(computer security, derogatory) Software that is released as open source only in exchange for payment.rantallion(slang) A person whose scrotum is so relaxed as to hang so low as to exceed the length of the flaccid penisranunculid(botany) Any plant in the subclass Ranunculidae.ranunculinAn unstable glucoside found in plants of the buttercup family (Ranunculaceae). On maceration, it is enzymatically broken down into glucose and the toxin protoanemonin.ranunculolprotoanemoninranunculusAny plant of the genus Ranunculus; the buttercup or crowfoot.rapabilityThe state or condition of being rapable.rapamycineMisspelling of rapamycin.rapastinelA particular antidepressant.rapatronicBeing a high-speed camera capable of recording a still image with an exposure time in nanoseconds.raphigraph(historical) A kind of typewriter for the blind, pricking characters into paper by means of needles.rapierlikeResembling or characteristic of a rapier; sharp, piercing.rapismatid(zoology) Any insect in the family Rapismatidaea, a synonym of the Ithonidae.rapmeister(music, slang) A highly skilled rapperrappellingpresent participle and gerund of rappelrappoldite(mineralogy) A triclinic-pinacoidal mineral containing arsenic, cobalt, hydrogen, lead, nickel, oxygen, and zinc.rapportageThe reporting of social news, especially by an eyewitness.rapporteur(law, politics) A person appointed by a deliberative body to investigate an issue or a situation, and report back to that body.rapportiveOf or relating to rapport, as established by speech acts.raptophileSynonym of biastophile.raptorious(zoology, archaic) raptorialraptorlikeResembling or characteristic of a raptor (the bird of prey).raquetballMisspelling of racquetball.rarefiableCapable of being rarefied.rasagiline(pharmacology) An inhibitor of monoamine oxidase used as a monotherapy in early Parkinson's disease or as an adjunct therapy in more advanced cases.rascallikeResembling or characteristic of a rascal.rascallionArchaic form of rapscallion.rastergramAn image composed of coloured dots that appears to be three-dimensional when viewed correctlyrasteriserAlternative spelling of rasterizer.rasterizedsimple past and past participle of rasterizerasterizerA computer program that performs rasterization.rasterizesthird-person singular simple present indicative of rasterizerasterplotAlternative form of raster plot.rastravadiAlternative spelling of rashtravadi.rastrawadiAlternative spelling of rashtravadi.rastrologyThe study of the staves created by rastra.ratabilityThe quality or state of being ratable.ratbaggery(Australia, informal) bizarre or objectionable behaviourratcatcherOne who catches rats; particularly one who does so professionally.ratchetingpresent participle and gerund of ratchetratebusterA worker who works as fast as possible, ignoring the limits on productivity agreed by other workers or by a union.ratemakingThe setting of the rates to be charged for something.ratepayersplural of ratepayerratepayingPaying rates or taxes.ratfuckingpresent participle and gerund of ratfuckratifiableCapable of being ratified.ratiomericMisspelling of ratiometric.ratiometerA measurement device used in ohmmeters, having two coils, one connected via a series resistor to the battery supply and the other connected to the same battery supply via a second resistor and the resistor under test. The indication on the meter was proportional to the ratio of the currents through the two coils.ratiometrymeasurement involving a ratio, as by a ratiometerrationableSuitable for being rationed.rationably(now rare) Rationally, reasonably.rationalesplural of rationalerationallyIn a rational mannerrationlessWithout rations.rationment(rare) Synonym of rationing.ratiuncule(mathematics, obsolete) A ratio very close to unity.ratoonableAble to be ratoonedratskellerAlternative form of rathskeller.rattachism(politics) An ideology calling for the French-speaking part of Belgium or Wallonia to secede from the state of Belgium and become part of France.rattanwareArticles made from rattan.rattlebackA form of spinning top that will spin preferentially in one direction (rattling, then reversing, if spun in the other direction).rattleheadSomeone who makes empty or noisy conversation; a chatterer.rattlepate(archaic) A chatterbox; someone who talks a lot.rattlesomeCharacterised or marked by rattlingrattletrapMechanically unreliable or in disrepair.rattleweedAny plant of the genus Astragalus. of milkvetches.rattlewort(botany) Rattlebox.rattlinglyWith a rattling sound or motion.rattooningpresent participle and gerund of rattoonrauhaugite(geology) A carbonatite composed mainly of dolomiterauisuchid(zoology) Any archosaur in the family Rauisuchidae.raunchfest(slang) A very raunchy event, film, etc.raunchiestsuperlative form of raunchy: most raunchyrauwolfiasplural of rauwolfiaravageableCapable of being ravaged.ravagementAn act of ravaging.ravelmentsplural of ravelmentravelproofResistant to raveling; tangleproof.raveninglyIn a ravening manner; voraciously.ravenouslyIn a ravenous manner; voraciously.ravenstone(UK, dialectal) A gravestoneravinelikeResembling or characteristic of a ravine.ravinement(geology) The formation of ravines.ravishableCapable of being ravished.ravishmentseizure by forcerawinsondeA radiosonde whose position is tracked as it ascends to give wind speed and direction information.raxofelastA nonsteroidal anti-inflammatory drug.raycastingAlternative spelling of ray casting.rayonnanceThe quality of being rayonnant.raytracingAlternative spelling of ray tracing.razorbacksplural of razorbackrazorbillsplural of razorbillrazorbladeAlternative spelling of razor blade.razorclamsplural of razorclamrazormakerA manufacturer of razors.razorshellAlternative form of razor shell.razorstropAlternative form of razor strop.razzmatazzAmbiguous or meaningless language.reablation(medicine, surgery, uncountable) The act of reablating.reablementThe service of caring for a person after a period of disability or illness, helping them to recover and regain independence.reabsorbedsimple past and past participle of reabsorbreabstractTo abstract againreaccredit(transitive) To accredit again or anew.reaccustomTo accustom again.reacquaintTo acquaint again; to reintroduce or refamiliarise.reacquiredsimple past and past participle of reacquirereacquirerone who acquires again or reacquiresreacquiresthird-person singular simple present indicative of reacquirereactionalOf or pertaining to a reaction (in any sense)reactivantThat which reactivatesreactivateTo activate again.reactivelyIn a reactive fashion.reactivityresponsiveness to stimulationreactologyThe scientific study of psychological reactions, a kind of reflexology.readaholic(slang) One who loves to read books; a bookworm.readdictedAddicted again.readditionA second or subsequent addition, especially following removalreadeption(obsolete) A regaining; recovery of something lost.readerlessDevoid of readers.readershipThe collected readers of a publication.readhesionA second, or subsequent adhesion, especially following deadhesionreadjustedsimple past and past participle of readjustreadjusterOne who, or that which, readjusts.readlengthAlternative form of read length.readmittedsimple past and past participle of readmitreadmitteeOne who is readmitted.readographA backlit sign on which are placed moveable letters spelling out messages - typically used over the entrance of a cinema to indicate what shows are playing.readoptingpresent participle and gerund of readoptreadoptionBeing adopted back into a family or groupreadworthyWorth reading.readymadesplural of readymadereaerationaeration again or anewreafferentRelated to, or caused by reafference.reaffirmedsimple past and past participle of reaffirmreaffirmerOne who reaffirms.reafforest(dated) To reforest.realestateAlternative form of real estate.realienate(transitive) To alienate again.realigningpresent participle and gerund of realignrealisableNon-Oxford British English standard spelling of realizable.realizableCapable of being realized (made real) or achieved.realizablyIn a realizable manner; Synonym of feasibly.realizator(genetics) Any gene directly connected with a basic cellular functionrealkaliseAlternative spelling of realkalize.realkalizeTo alkalize again.realkylate(organic chemistry) To alkylate again, typically following a dealkylationreallianceA renewed alliance.reallocate(transitive) To allocate (a resource) to another person or purpose.realschuleSynonym of real school.reambulateTo undergo reambulationreanalysesplural of reanalysisreanalysisA second or subsequent analysis.reanimatedsimple past and past participle of reanimatereanimatesthird-person singular simple present indicative of reanimatereanimatorOne who reanimatesreannotateTo annotate again or differently.reannounce(transitive) To announce againreapparate(fantasy) To reappear magically.reappearedsimple past and past participle of reappearreappearerOne who reappears.reapplyingpresent participle and gerund of reapplyreappointsthird-person singular simple present indicative of reappointreappraiseTo appraise again.reapproach(ambitransitive) To approach again or anew.reapprovalThe act of reapproving.rearendingpresent participle and gerund of rearendrearguardsplural of rearguardreargument(law) The arguing of a legal case again.rearmamentThe process of rearming.rearrangedsimple past and past participle of rearrangerearrangerOne who, or that which, rearranges.rearrangesthird-person singular simple present indicative of rearrangerearrestedsimple past and past participle of rearrestrearsightsplural of rearsightrearwardlyExtending in a rearward manner. Positioned to the rear of an object.reasonable(now rare) Having the faculty of reason; rational, reasoning.reasonablyIn accordance with reason.reasoningsplural of reasoningreasonlessLacking reason or purpose.reaspirateTo aspirate againreassembleTo assemble again.reassemblyThe process of assembling something again.reassertedsimple past and past participle of reassertreassertorOne who reasserts.reassessedsimple past and past participle of reassessreassessesthird-person singular simple present indicative of reassessreassessorOne who reassesses.reassignedsimple past and past participle of reassignreassigneeOne who is reassigned.reassorted(of a virus) Having genetic material from two or more similar virusesreassuringpresent participle and gerund of reassurereastonish(transitive) To astonish again.reattachedAlternative spelling of re-attached, the past participle of re-attach.reattachesthird-person singular simple present indicative of reattachreattenderOne who reattends.reauditionTo audition again.reawakenedsimple past and past participle of reawakenrebalancer(chiefly computing) That which rebalances.rebamipideAn amino acid derivative of 2(1H)-quinolinone, used for mucosal protection, healing of gastroduodenal ulcers, and treatment of gastritis.rebankrupt(transitive) To bankrupt again.rebaptiserAlternative form of rebaptizer.rebaptizerSomeone who rebaptizes.rebaseline(transitive, business) To provide (a project) with a new baseline.rebatement(archaic) A rebate (discount or partial refund).rebeautify(transitive) To beautify again.rebecomingpresent participle and gerund of rebecomerebeginnerOne who is beginning again.rebellionsplural of rebellionrebelliousShowing rebellion.rebestowalThe act of bestowing again.rebetrayalThe act of betraying again.rebillableAble to be rebilled.rebindableAble to be rebound.rebirthdayA day of rebirth or its anniversary.rebirthing(spirituality) Rebirth.rebleedingpresent participle and gerund of rebleedreblendingpresent participle and gerund of reblendreblockageA second or subsequent blockage.reblockingpresent participle and gerund of reblockreboardingpresent participle and gerund of reboardrebookableAble to be rebooked.rebootableCapable of being rebooted.rebornnessThe quality of being reborn.reboundingpresent participle and gerund of reboundreboxetine(pharmacology) An antidepressant drug used in the treatment of clinical depression, panic disorder and ADD/ADHD.rebrandingpresent participle and gerund of rebrandrebreather(underwater diving) A breathing apparatus that recycles expelled air, removing carbon dioxide and thus allowing extended use of a supply of air.rebriefingpresent participle and gerund of rebriefrebubblingThe act by which something is rebubbled.rebuffableCapable of being buffed many times.rebuildersplural of rebuilderrebuildingpresent participle and gerund of rebuildrebukeableAlternative form of rebukable.rebukementharsh criticismrebukinglyIn a rebuking manner.rebuttableCapable of being rebutted.rebuttablyin a rebuttable manner.recalender(transitive) To calender again.recallableCapable of being recalled (retrieved from one's memory).recallmentThe act of bringing something back from one's memory; recall.recampaign(intransitive) To campaign again.recanaliseto canalise againrecanalizeAlternative spelling of recanalise.recanonize(transitive) To canonize again.recantableThat can be recanted.recapitate(transitive) To furnish with a head again; to reattach a head to.recappableCapable of being recapped (of a tire: having the worn tread replaced).recapturedsimple past and past participle of recapturerecapturerOne who recaptures something.recapturesplural of recapturerecarriage(archaic) The act of carrying or transporting back.recastableAble to be recast.recathexis(psychology) cathexis occurring againrecaulkingpresent participle and gerund of recaulkrecavitateTo cavitate againreccommendMisspelling of recommend.recedinglyWhile receding or moving away.receiptingpresent participle and gerund of receiptreceivableCapable of being received, especially of a debt, from the perspective of the creditor.recensionsplural of recensionrecensusedsimple past and past participle of recensusrecentnessThe characteristic of being recent.receptionsplural of receptionreceptomicRelating to receptomics or to a receptomereceptoralRelating to receptors.recessionsplural of recessionrecessivesplural of recessiverecesslikeResembling or characteristic of a recess.rechargersplural of rechargerrechargingpresent participle and gerund of rechargerechauffesplural of rechaufferecheckingpresent participle and gerund of recheckrechippingpresent participle and gerund of rechiprechristen(transitive) To christen or baptize again.recibiendo(bullfighting) A matador's technique of standing still so that the charging bull runs onto the sword.recidivate(intransitive) To relapse into a previous pattern of behavior, especially to commit new offenses after having been punished or sanctioned for earlier ones.recidivismCommitting new offenses after a crime committed in the past.recidivistOne who falls back into prior habits, especially criminal habits.recidivize(intransitive) Synonym of recidivaterecidivousProne to relapse into immoral or antisocial behavior.recinormal(mathematics) reciprocal and normalrecipelikeLike a recipe; consisting of formulaic steps.recipienceThe ability to receive; receptivityrecipientsplural of recipientrecipricalMisspelling of reciprocal.reciprocalOf a feeling, action or such: mutual, uniformly felt or done by each party towards the other or others; two-way.reciproque(obsolete) reciprocalrecitalistA person who performs in recitals.recitationThe act of publicly reciting something previously memorized.recitativo(music) A recitative.recitement(rare, formal) The act of publicly reciting something previously memorized; a recitation.recivilize(transitive) To civilize again.recklesslyIn a rash or reckless manner, without regard for cost or consequencereckonableAble to be reckoned or computed.reckoningsplural of reckoningreclaimant(chiefly law) One who reclaims (in the various senses).reclaimersplural of reclaimerreclaimingpresent participle and gerund of reclaimreclamatorA person, company or device which reclaims something, especially useful soil (or useful elements in soil) from unusable soil.reclampingpresent participle and gerund of reclampreclassify(transitive) To classify again; to give a new classification to.reclazepam(pharmacology) A benzodiazepine drug with sedative and anxiolytic effects.recleavageA second or subsequent act of cleavingreclinableAble to be tilted so as to recline.reclinatedAlternative form of reclinate.reclosableCapable of being closed again after opening.reclothingpresent participle and gerund of reclothereclusionsplural of reclusionrecoalesce(intransitive) To coalesce again or anew.recoatableAble to be recoated.recodonise(genetics) To rearrange the codons of a generecognisedNon-Oxford British English standard spelling of recognized.recogniseeAlternative spelling of recognizee.recogniserAlternative spelling of recognizer.recognisesthird-person singular simple present indicative of recogniserecognitor(historical, law) One of a jury impaneled on an assize.recognizedNotable; distinguished; honored.recognizee(law) The person in whose favour a recognizance is made.recognizerA person, device, or software algorithm that recognizes.recognizesthird-person singular simple present indicative of recognizerecognizor(historical, law) One who enters into a recognizance.recognosce(rare, obsolete) To recognise.recoillessLacking recoil. Generally referring to a weapon so designed as to fire a projectile without causing a powerful, destructive backward "kick" or recoil in reaction. The objective of the design is to permit a very light cannon to deliver a relatively large projectile.recoilment(archaic) recoil; act of recoilingrecollapseTo collapse again.recollectsthird-person singular simple present indicative of recollectrecoloniseNon-Oxford British English standard spelling of recolonize.recolonizeTo colonize again, especially after decolonization.recombinedsimple past and past participle of recombinerecombinerAny device that recombines something previously separated, such as gases or light beams.recombinesthird-person singular simple present indicative of recombinerecomember(dialect, nonstandard) To remember.recommenceTo begin again.recommendsplural of recommendrecompenceObsolete form of recompense.recompenseAn equivalent returned for anything given, done, or suffered; compensation; reward; amends; requital.recompiledsimple past and past participle of recompilerecompilerA program that recompiles an already compiled file.recomplete(transitive) To complete again.recomposedsimple past and past participle of recomposerecomposerOne who recomposes.recompound(transitive) To compound again or anew.recompress(transitive) To compress again.reconceiveTo conceive something in a new wayreconciledsimple past and past participle of reconcilereconcileeOne who is reconciled.reconcilerOne who reconciles.reconcilesthird-person singular simple present indicative of reconcilereconcludeTo conclude again.reconcrete(transitive) To concrete again.recondenseTo condense again.reconfirmsthird-person singular simple present indicative of reconfirmreconflate(transitive) To conflate again.reconfound(transitive) To confound again.reconfront(transitive) To confront again.reconoiterMisspelling of reconnoiter.reconquestThe act or process of conquering something again, such as a territory.reconserveTo conserve again.reconsider(ambitransitive) To consider a matter again.reconstrueTo construe something again, or in a new way.recontinueTo continue again, especially after a pause.recontractTo contract again.recontriveTo contrive again.reconvenedsimple past and past participle of reconvenereconvenesthird-person singular simple present indicative of reconvenereconverge(intransitive) To converge again.reconvinceTo convince again.reconvolveTo convolve again.recopiableAble to be recopied.recopulateto copulate again.recordableThat can be recorded; capturable.recordance(obsolete) remembrancerecordingsplural of recordingrecordistsplural of recordistrecordlessWithout records or recordings; unrecorded.recordlikeResembling or characteristic of a record (historical document, etc.).recordsetsplural of recordsetrecordwiseIn terms of a record (in several contexts)recoronateTo coronate again.recountingpresent participle and gerund of recountrecoupableAble to be recouped.recouplingpresent participle and gerund of recouplerecoupmentA recovery of what had been lost; reimbursement.recoverersplural of recovererrecoveriesplural of recoveryrecoveringpresent participle and gerund of recoverrecreantlyIn a recreant manner.recreatingpresent participle and gerund of recreaterecreationAny activity, such as play, that amuses, diverts or stimulates.recreativeBeing, or pertaining to, recreation.recreatory(dated) recreationalrecreolize(linguistics) To modify a language by introducing additional elements of the matrilect.recritique(transitive) To critique again.recrossingpresent participle and gerund of recrossrecrudency(archaic) recrudescencerecrudesce(intransitive) To recur, or break out anew after a quiescence or dormant period.recruitageThe act of recruiting, as for the military; recruitment.recruitersplural of recruiterrecruitingpresent participle and gerund of recruitrectagraph(graph theory) A triangle-free connected graph where any two vertices have 0 or 2 common neighbors.rectangled(obsolete) rectangularrectanglesplural of rectanglerectectomy(surgery) Resection of the rectum.rectifiersplural of rectifierrectifyingpresent participle and gerund of rectifyrectigradeWalking straight forward.rectipetalExhibiting rectipetality.rectitudesplural of rectituderectocoeleAlternative form of rectocele.rectorshipThe office or rank of a rector.rectoscopeA proctoscope.rectoscopySynonym of proctoscopy.rectricialRelating to a rectrix.recubation(obsolete) recumbence; a state of lying downrecumbancyMisspelling of recumbency.recumbenceThe act of leaning, resting, or reclining; the state of being recumbent.recumbency(archaic) recumbencerecuperate(transitive) To restore (someone or something) to health, strength, or currency; to revive or rehabilitate.recureless(obsolete) Incapable of cure.recuroniumMisspelling of rocuronium.recurrenceReturn or reversion to a certain state.recurrencyThe act or process of recurring; recurrence.recursionsplural of recursionrecusancesplural of recusancerecusation(law) The act of disqualifying a judge or jury in a specific case on the grounds of possible partiality or prejudice.recusative(linguistics) Including the word 'not' (or its equivalent).recyclableAble to be recycled.recyclebotA device that recycles materials automaticallyredactableCapable of being redacted or censored.redarguingpresent participle and gerund of redargueredbreastsplural of redbreastredcurrantAlternative spelling of red currant.reddingite(mineralogy) An orthorhombic-dipyramidal mineral containing hydrogen, manganese, oxygen, and phosphorus.redecimate(transitive) To decimate again.redecipher(transitive) To decipher again.redecisionThe act or result of redeciding.redecorate(transitive) To change the appearance of a place by altering the decor.redecreaseTo decrease again.rededicate(transitive) To dedicate again.redeemableCapable of being redeemed; able to be restored or recovered.redeemablySuch that it can be redeemed.redeemless(obsolete) irredeemableredefiningpresent participle and gerund of redefineredelegate(transitive) To delegate again or anew.redeletion(rare) deletion againredeliveryThe act or process of redelivering; a second or subsequent delivery.redemandedsimple past and past participle of redemandredemolish(transitive) To demolish again.redemptionThe act of redeeming or something redeemed.redemptiveCausing, or relating to, redemption or saving; redeeming.redemptoryPaid as ransom; serving to redeem.redemptrix(religion) A female redeemer.redempture(obsolete) redemptionredenounce(transitive) To denounce again.redeployedsimple past and past participle of redeployredeployeeOne who is redeployed.redepositsthird-person singular simple present indicative of redepositredeputize(transitive) To deputize again.redescribe(transitive) To describe again.redesignedsimple past and past participle of redesignredespatchAlternative form of redispatch.redevelopsthird-person singular simple present indicative of redevelopredgillite(mineralogy) A monoclinic-prismatic grass green mineral containing copper, hydrogen, oxygen, and sulfur.rediagnoseTo diagnose again.redialyzeddialyzed againrediculous(now archaic or pronunciation spelling or misspelling) Alternative spelling of ridiculous.redigitizeTo digitize againredilationdilation againredimeriseAlternative form of redimerize.redimerize(chemistry) To dimerize again, typically as a result of dismutationrediminish(ambitransitive) To diminish again.redingotesplural of redingoteredirectedsimple past and past participle of redirectredirectorOne who, or that which, redirects.redisburseTo give or pay out again.rediscloseTo disclose again.rediscount(transitive) To discount again.rediscover(transitive) To discover again; especially something previously lost or forgotten.redisguise(transitive) To disguise again.redispatchTo dispatch againredispense(transitive) To dispense again.redisperseTo disperse again or anew.redisplace(transitive) To displace again.redisposalThe act of disposing of something again.redisseiseAlternative form of redisseize.redisseize(law, transitive, archaic) To disseize back, or a second time.redissolveto dissolve againredistrictTo adjust the borders of districts of a state or other governmental or administrative entity.redividingpresent participle and gerund of redivideredivisiondivision again or anewredlichiid(paleontology) Any member of the Redlichiida.redneckeryThe beliefs or behaviours of rednecks.redneckese(informal) The style of language stereotypically used by rednecks.redneckian(informal, US) Of, pertaining to, or characteristic of rednecks.redneckish(informal, chiefly US) Like or indicative of a redneck or rednecks; rural, uneducated, unsophisticated, etc.redneckism(neologism) The beliefs or behaviours of rednecks.redocument(transitive) To document again.redolencesplural of redolenceredolentlyIn a redolent manner.redologistA redology scholar.redomicile(transitive) To domicile again or anew.redominateTo dominate again.redondilla(poetry) An early verse form in which the first and fourth and the second and third lines of the stanza generally rhymed.redoublingpresent participle and gerund of redoubleredoubtingpresent participle and gerund of redoubtredownloadTo download again.redoxclineA layer of water, having a strong vertical redox gradient, between the upper oxygenated and lower anoxic waterredpillingpresent participle and gerund of redpillredraftingpresent participle and gerund of redraftredrainageThe act of draining again.redressersplural of redresserredressingpresent participle and gerund of redressredressiveTending to redress.redruthite(mineralogy) Synonym of chalcocite.redshifted(astronomy) (of light and other radiation) Increased in wavelength as a consequence of redshiftredshirtedsimple past and past participle of redshirtredskinned(offensive, ethnic slur) Of Native American heritage or ancestry.redspottedHaving red spotsreducataseMisspelling of reductase.reduceableAlternative form of reducible.reducement(archaic) reductionreductasesplural of reductasereductasic(biochemistry) Relating to a reductasereductionsplural of reductionreductisol(soil science) A permanently waterlogged gleyredundance(now rare) Redundancy.redundancyThe state of being redundant.redwashingpresent participle and gerund of redwashredynamizeTo dynamize anew.reeducatedsimple past and past participle of reeducatereeducatesthird-person singular simple present indicative of reeducatereeducatorOne who reeducates.reefpointsplural of reefpointreefwalkerA person who partakes in reefwalking.reejectionThe act of reejecting.reelectingpresent participle and gerund of reelectreelectionAct of electing to office one previously elected to and serving in office.reeligibleEligible again; capable of reelection.reemergentEmerging again, after an absencereemissiona second or subsequent emissionreemphasisThe act of reemphasizing; a second or subsequent emphasis.reenactingpresent participle and gerund of reenactreenactionThe process of reenacting.reenactorsplural of reenactorreencodingpresent participle and gerund of reencodereenergiseAlternative form of reenergize.reenergize(transitive) To energize again or anew.reenforcedsimple past and past participle of reenforcereengagingpresent participle and gerund of reengagereengineer(transitive) To engineer again, to redesign or extensively modify in design.reenkindle(transitive, archaic) To rekindle again.reenteringpresent participle and gerund of reenterreenthrone(transitive) To enthrone again; to restore to the throne.reentranceA second or subsequent entrance; the act of reenteringreentrancy(computing) The state or condition of being reentrant.reenvisageto envisage again, after some timereenvision(transitive) To envision again or anew.reerectingpresent participle and gerund of reerectreerectionThe act of reerecting.reescalate(transitive) To escalate again.reesterify(transitive, organic chemistry) To esterify an alcohol or carboxylic acid that was obtained by previous hydrolysis of an ester; but especially the esterification of cholesterol or fatty acids during metabolismreestimate(transitive) To estimate again.reevaluateAlternative spelling of re-evaluate.reexaminedsimple past and past participle of reexaminereexaminesthird-person singular simple present indicative of reexaminereexchangeA renewed exchange.reexcision(surgery) A second or subsequent excision.reexportedsimple past and past participle of reexportreexposureA second or subsequent exposure.refactorer(programming) A person or system that performs refactoring.refectorerSynonym of refectorian.refederateTo federate again.refeminiseAlternative form of refeminize.refeminize(transitive) To make feminine again.refereeingpresent participle and gerund of refereereferencedsimple past and past participle of referencereferencerSomeone who references.referencesplural of referencereferendalOf or relating to a referendum.referendarIn Germany, a legal probationer who has passed the first of the two examinations for the judicial service and is currently in preparatory service for the second.referendum(politics) A direct popular vote on a proposed law or constitutional amendment.referrableAble to be referred.refigurateTo figurate again; to reshape.refillableCapable of being filled again.refinancedsimple past and past participle of refinancerefinancerOne who refinancesrefinancesthird-person singular simple present indicative of refinancerefindableCapable of being found again.refineableAlternative form of refinable.refinementThe act, or the result of refining; the removal of impurities, or a purified materialrefineriesplural of refineryrefininglySo as to refine.refinishedsimple past and past participle of refinishrefinisherA provider of refinishing servicesrefittableAble to be refitted.refixationThe fixing in place of something that had previously been removedreflashingpresent participle and gerund of reflashreflectentArchaic spelling of reflectantreflectingpresent participle and gerund of reflectreflectionThe act of reflecting or the state of being reflected.reflectiveThat reflects, or redirects back to the source.reflectorsplural of reflectorreflectoryRelating to a reflex.reflectron(physics, chemistry) A time-of-flight mass spectrometer that uses a static electric field to reverse the direction of travel of the ions entering it.reflexibleArchaic spelling of reflectablereflexicon(rare) A word list that describes its own letter frequencies.reflexionsplural of reflexionreflexivesplural of reflexivereflexlessLacking reflexes.reflexmate(chess) A chess puzzle in which white, moving first, must force black to deliver checkmate within a specified number of moves.reflexnessThe quality of being reflex.refloodingpresent participle and gerund of refloodreflooringpresent participle and gerund of refloorreflourish(intransitive) To flourish again.reflowableCapable of being formed into a different shape by flowing.refocusingpresent participle and gerund of refocusrefoldableCapable of being refoldedrefoliatedsimple past and past participle of refoliatereforecast(transitive) To forecast again.reforestedsimple past and past participle of reforestreformableThat can be reformed.reformistsplural of reformistrefoulmentAlternative spelling of refoulement.refoundingpresent participle and gerund of refoundrefractileAble to refract, refractiverefractingpresent participle and gerund of refractrefraction(metallurgy) The degree to which a metal or compound can withstand heatrefractiveThat refracts; causing or relating to refraction.refractorsplural of refractorrefractoryObstinate and unruly; strongly opposed to something.refractureTo fracture again.refragable(obsolete) Capable of being refuted; refutable.refragment(ambitransitive) To fragment again.refrainingpresent participle and gerund of refrainrefreezingThe act or process of something freezing again after it has thawed or melted.refreshantAnything that refreshes.refreshensthird-person singular simple present indicative of refreshenrefreshful(obsolete) Having the ability to refresh; refreshing.refreshingThat refreshes someone; pleasantly fresh and different; granting vitality and energy.refringentThat refracts; refractiverefruitingThe formation of a second crop of fruit.refuelableAlternative form of refuellable.refuelling(British spelling) present participle and gerund of refuelrefugeedomThe state of being a refugee.refugeeismThe state of being a refugee.refugelessWithout a refuge.refugitiveA fugitive who seeks refuge in another state or country.refulgencethe quality of being refulgent; refulgencyrefulgencyThe property of being refulgent.refumigate(transitive) To fumigate again.refunction(transitive) To transform (a culture or institution, etc.) in order to promote social change.refundableAble to be refunded in case of customer dissatisfaction, loss, breakage etc.refundmentThe act of refunding.refuseniksplural of refusenikrefutandumSomething that is to be refuted.refutation(proscribed) A vocal answer to an attack on one's assertions.refutativeServing to refute; refutatory.refutatoryTending to refute.regainableCapable of being regained.regainmentAn instance of regaining.regalementThe act of regaling.regalitiesplural of regalityregardableWorthy of regard; noteworthy.regardlessWithout attention to warnings or indications of bad consequences.regarrison(transitive) To garrison again.regelatingpresent participle and gerund of regelateregelationThe act or process of freezing again.regeneracyThe condition of being regenerated.regenerantAny material that causes regenerationregenerate(transitive) To construct or create anew, especially in an improved manner.regenerome(biochemistry, physiology) the totality of the regeneration functions of an organ (especially of the liver)regenotype(transitive) To genotype again.regentrifyTo gentrify again.regentshipThe office of a regent; regency.regimental(military) Relating to a regimentregimentedsimple past and past participle of regimentreginicideAlternative form of reginacide.regionallyIn a large but limited area, more than local but smaller than entirety. (Generally smaller than a nation.)regionlessWithout regions.regionwideThroughout a region.regiopolisA city located outside a metropolitan area.registeredHaving had one's name added to an official list or entered into a register.registereeOne who appears on a register.registererOne who registers.registrantOne who registers something or is registered.registrarsplural of registrarregistraryThe chief administrative officer of Cambridge Universityregistrate(Scotland, obsolete) registered, recordedregistriesplural of registryreglaciate(ambitransitive) To glaciate again.regmaglypt(astronomy, geology) A small, shallow indentation or pit on the surface of a meteorite, resembling a thumbprint impression in clay, created by ablation while falling in an atmosphere.regolithicRelating to regolithregratressA female regrator.regredientGoing backward; regressive.regressand(statistics) The dependent variable in a regression.regressingpresent participle and gerund of regressregressionAn action of regressing, a return to a previous state.regressiveThat tends to return, revert or regress.regressorsplural of regressorregretlessHaving no regrets.regrettingpresent participle and gerund of regretregrindingpresent participle and gerund of regrindregroovingpresent participle and gerund of regrooveregroupingA new grouping; the act or result of grouping again.regroutingpresent participle and gerund of regroutreguardant(heraldry) Alternative spelling of regardant.regucalcin(biochemistry) A calcium-binding protein that is preferentially expressed in the liver and kidney and may be associated with aging.regulariseNon-Oxford British English standard spelling of regularize.regularity(uncountable) The condition or quality of being regularregularizeTo make regular.regulatingpresent participle and gerund of regulateregulation(uncountable) The act of regulating or the condition of being regulated.regulativeOf or relating to regulation; having a regulatory function.regulatome(biochemistry) All the regulatory metabolic pathways of an organismregulatorsplural of regulatorregulatoryOf or pertaining to regulation.rehandicap(transitive, gambling) To recalculate the betting odds for (a race, etc.).rehandlingpresent participle and gerund of rehandlerehashableAble to be rehashed.rehearingsplural of rehearingrehearsalsplural of rehearsalrehearsingpresent participle and gerund of rehearsereheatableSuitable for reheating.reheightenTo heighten again.rehibition(archaic) The return of a purchased item to the seller, on the ground of defect or fraud.rehibitory(archaic, law) Of or relating to rehibition.rehumaniseAlternative form of rehumanize.rehumanize(transitive) To make human again.rehumidify(transitive) To humidify again.rehydratedsimple past and past participle of rehydraterehydratesthird-person singular simple present indicative of rehydraterehydratorThat which rehydrates.rehymenateSynonym of revirginate.rehypnosishypnosis againreichsmark(historical, numismatics) The monetary unit in Germany between 1924 and 1948.reidentify(intransitive) To identify again (as something one previously identified as, or as something else).reiglement(obsolete) rule; regulationreignitingpresent participle and gerund of reignitereignitionProcess, act or instance of reigniting.reillumine(transitive) To illumine again or anew.reillusion(transitive) To restore a false belief.reimaginedsimple past and past participle of reimaginereimaginerOne who reimagines.reimbursal(nonstandard) Reimbursement.reimbursedsimple past and past participle of reimbursereimburseeOne who is reimbursed.reimburserSomeone who reimburses.reimbursesthird-person singular simple present indicative of reimbursereimbursorAlternative form of reimburser.reimmersalSynonym of reimmersion.reimmunize(transitive) To immunize again.reimportedsimple past and past participle of reimportreimporterOne who reimports.reimprison(transitive) To imprison again.reincisionA second or subsequent incision.reincrease(transitive) To increase again.reincubateTo incubate again.reineckeid(zoology) Any member of the Reineckeidae.reinforcedsimple past and past participle of reinforcereinforcerSomething that reinforces; something that strengthens a behavior.reinforcesthird-person singular simple present indicative of reinforcereinfusateThe material used in a reinfusionreinfusioninfusion again or anewreinitiateTo initiate again.reinopathyMisspelling of retinopathy.reinscribeTo inscribe again.reinsertedsimple past and past participle of reinsertreinspirit(transitive) To give fresh spirit to (figurative or literally)reinstallsthird-person singular simple present indicative of reinstallreinstatedsimple past and past participle of reinstatereinstaterOne who reinstates something.reinstatesthird-person singular simple present indicative of reinstatereinstatorAlternative form of reinstater.reinstruct(transitive) To instruct again or anew.reinsulate(transitive) To insulate again or anew.reinsurersplural of reinsurerreinswomanA female jockey, especially in harness racing.reinterest(transitive) To interest again or anew.reinteringMisspelling of reinterring.reinthroneArchaic form of reenthrone.reintubateTo intubate again.reinvasionThe act or process of reinvading; a subsequent invasion.reinventedsimple past and past participle of reinventreinventorSomeone who reinvents somethingreinvestedsimple past and past participle of reinvestreinvesterMisspelling of reinvestor.reinvestorOne who reinvests.reirrigate(transitive) To irrigate again.reisedaler(historical) A coin of Denmark first minted in 1749.reissuableCapable of being reissued.reissuanceA second or subsequent issuance.reiterableCapable of being reiterated.reiteratedsimple past and past participle of reiteratereiteratesthird-person singular simple present indicative of reiteratereiteratorOne who reiterates.rejectableThat can be rejected.rejectibleAlternative form of rejectable.rejectionsplural of rejectionrejectmentThe act of rejecting; rejection.rejoicefulFeeling or showing great rejoice.rejoinableCapable of being rejoined.rejoindersplural of rejoinderrejoindure(obsolete) The act of joining again.rejoneador(bullfighting) A mounted bullfighter whose task is to provoke the bullrejuvenateTo render young again.rejuvenile(informal) An adult whose interests and activities are characteristic of those of children.rejuveniseAlternative form of rejuvenize.rejuvenize(transitive, archaic) To rejuvenate.rejuvinateMisspelling of rejuvenate.rekeyboard(transitive) To input again using a keyboard.rekindlingpresent participle and gerund of rekindlerekyphosisAn abnormal double curvature of the spinerelabelingpresent participle and gerund of relabelrelabelledsimple past and past participle of relabelrelabellerAlternative form of relabeler.relateableAlternative spelling of relatable.relatiniseAlternative form of re-Latinize.relatinizeAlternative form of re-Latinize.relationalRelating to relations.relativelyIn a relative manner; with reference to environment or competition; contextually or comparatively.relativiseNon-Oxford British English standard spelling of relativize.relativism(countable, philosophy) A specific such theory, advocated by a particular philosopher or school of thought.relativistOne who follows, believes or espouses relativism.relativity(uncountable, physics) Ellipsis of principle of relativity (“the principle that the laws of physics should be the same for all observers”).relativizeTo make one thing relative to another.relatlimabA monoclonal antibody designed for the treatment of melanoma.relaunchedsimple past and past participle of relaunchrelauncherOne who or that which relaunches.relaunchesthird-person singular simple present indicative of relaunchrelaxasomeMisspelling of relaxosome.relaxationThe act of relaxing or the state of being relaxed; the opposite of stress or tension; the aim of recreation and leisure activities.relaxativeHaving the quality of relaxing; relaxing or laxative.relaxatoryThat induces relaxationrelaxinglyIn a manner that relaxes.relaxivityThe extent to which relaxation takes place.relaxosome(biochemistry) The complex of proteins, including relaxase, that facilitate plasmids during bacterial conjugationrelearningpresent participle and gerund of relearnreleasableCapable of, or suitable for, release.releasablySuch that it can be released.releasibleAlternative form of releasable.relebactam(pharmacology) A particular lactamase inhibitor.relegaliseAlternative form of relegalize.relegalize(transitive) To make legal again.relegatingpresent participle and gerund of relegaterelegationThe act of being relegatedrelengthenTo lengthen again.relentlessUnrelenting or unyielding in severity.relentmentThe act of relenting, softening.relevancesplural of relevancerelevantlyIn a relevant way.relevation(obsolete) A raising or lifting uprelexifier(linguistics) One who relexifies.reliberate(transitive) To liberate again.relieflessWithout relief (in various senses of the word)relieflikeResembling or characteristic of relief (the difference of elevations on a surface).relievableCapable of being relievedrelievedlyIn a manner showing relief.religationA second or subsequent ligationrelightingpresent participle and gerund of relightreligicideThe destruction of a religion.religieuseA type of eclair made of two choux pastry cases, the smaller fixed atop of the other.religioner(dated) A religious zealot; a religionist.religiousyHaving a strongly religious aspect.religitard(slang, derogatory, offensive, vulgar, religious slur) An adherent of a religion, especially one who is dogmatic.relinkableCapable of being relinked.relinquentrelinquishingrelinquish(transitive) To give up, abandon or retire from something; to trade away.relipidateTo lipidate again, typically following delipidationreliquairereliquary (container)relishableCapable of being relished; pleasant to the taste; gratifying.relishsome(archaic) Tasty; delicious.relitigate(transitive, intransitive) To litigate again; to sue or pursue legal remedy a second or further time.reliveriedDecorated with a replacement livery, especially of a train.reloadableThat can be reloaded.relocaliseAlternative form of relocalize.relocalizeTo localize (in any sense) again, especially after delocalization has occurredrelocatingpresent participle and gerund of relocaterelocationThe act of moving from one place to another.reloxifeneMisspelling of raloxifene.reluctanceUnwillingness to do something.reluctancy(now rare) Reluctance, disinclination.remacemideA drug that acts as a low-affinity NMDA antagonist with sodium channel blocking properties.remaindersplural of remainderremakeableAlternative form of remakable.remanationThe act of returning; reabsorption.remandableAble to be remanded.remandment(dated) A remand.remaneuverTo maneuver again, especially when the maneuver is to change or correct the result of the previous maneuver.remanifest(transitive) To manifest once again.remappableCapable of being remapped.remarkableunusual or impressive enough to deserve attentionremarkably(manner) In a remarkable manner.remarketerOne who remarkets a product or service; a reseller.remarriagea second or subsequent marriage.remarryingpresent participle and gerund of remarryremasteredsimple past and past participle of remasterremastererOne who remasters an audio recording.remdesivir(pharmacology) A novel antiviral drug (C₂₇H₃₅N₆O₈P) with activity against a wide range of single-stranded RNA viruses, indicated for the treatment of COVID-19.remediableCapable of being remedied.remediablyIn a remediable manner; such that it can be remedied.remediallyIn a remedial manner.remediatedsimple past and past participle of remediateremediatorA person or company that remediates.remedilessNot having a remedy; not capable of being remedied.remeditateTo meditate again.remedylessAlternative spelling of remediless.rememberedsimple past and past participle of rememberremembererOne who remembers, recalls from memory.remembryngObsolete spelling of remembering.rememorateTo remember or recallrememorize(transitive) To memorize again.remendableAble to be mended againremetalateTo metalate again, typically following demetalationremindlessWithout thinking about; heedless.reminiscedsimple past and past participle of reminiscereminiscerOne who reminisces.reminiscesplural of reminisceremipedianAny crustacean of the class RemipediaremissibleCapable of being remitted or forgiven.remissiblyIn a remissible manner; pardonably.remissionsplural of remissionremissnessThe characteristic of being remissremitigateTo mitigate again.remittableCapable of being remittedremittanceThe act of sending money to someone.remittence(medicine) A temporary abatement, without actual cessation, of symptoms.remittitur(law) The reduction by a judge of damages awarded by a jury.remobilise(British spelling) Alternative spelling of remobilize.remobilize(transitive) To mobilize again.remodelingpresent participle and gerund of remodelremodelled(British spelling) simple past and past participle of remodelremodellerA person who remodels or does remodelling.remoderateTo moderate again.remodifiedsimple past and past participle of remodifyremodulate(transitive) To modulate again or anew.remoldableRepeatedly moldable.remollient(obsolete) mollifying; softening; softremonetiseNon-Oxford British English standard spelling of remonetize.remonetizeTo monetize again.remonumentTo determine the location of an original surveying monument and construct its replacement.remoraliseAlternative form of remoralize.remoralize(transitive) To supply with morals again.remordency(rare, obsolete) Remorse; compunction.remorphizeTo return to the original form after it had been transformed.remorseful(of a person) Feeling or filled with remorse.remortgageTo mortgage again.remotenessThe quality of being remote.remotivateTo motivate again.remouldingpresent participle and gerund of remouldremountingpresent participle and gerund of remountremovalistOne who removes (by profession).removeableAlternative form of removable.remultiply(transitive) To multiply again.remunerate(transitive) To compensate; to pay.remunition(ambitransitive) To take on, or supply with, new munitions.remusteredsimple past and past participle of remusterremutationmutation again, or back to a previous formrenameableAlternative form of renamable.renanolone(pharmacology) A semisynthetic neuroactive steroid.renantheraAny of the genus Renanthera of large, scrambling, monopodial, epiphytic, and terrestrial orchids found in India, New Guinea, and the Philippines.renascence(now rare) A new beginning or rebirth; regeneration.renascencyArchaic form of renascence.renascible(archaic) Able to be reproduced.renaturase(biochemistry) An enzyme that catalyses renaturationrenaturateTo cause or to undergo renaturation.renaturingpresent participle and gerund of renaturerenavigateTo navigate again.rencounter(archaic, transitive) To meet, encounter, come into contact with.renderableCapable of being rendered.renderingsplural of renderingrendezvousA meeting or date.renditionsplural of renditionrenegadismThe beliefs and practices of renegades.renegation(obsolete) a denialrenewablesplural of renewablerenewalismthe broader current within Christianity that emphasizes the Holy Spirit, including the charismatic and Pentecostal movementsrenewalistAn advocate of renewalism.rengarenga(New Zealand) Arthropodium cirratum, a herbaceous perennial plant endemic to New Zealand.reniculate(anatomy) Having reniculirennetlessWithout rennet.renninogen(obsolete) Synonym of prochymosin.renodulateTo nodulate again or subsequentlyrenographyimaging of the kidneyrenomegaly(pathology) The presence of an enlarged kidneyrenometricRelating to renometry.renominate(transitive) To nominate again.renormalon(physics) A poorly-understood and, so far, undefined singularity associated with quantum chromodynamicsrenotropic(physiology) That migrates towards kidney tissue (or causes such migration)renouncingpresent participle and gerund of renouncerenovatingpresent participle and gerund of renovaterenovationAn act, or the process, of renovating.renovativeRelating to renovation.renovatorsplural of renovatorrenownless(archaic) Without renown; inglorious.rentcharge(property law) An annual sum or periodic payment charged on certain freehold properties or payable out of the income of those properties and expressly giving to the rentcharger, who has no reversionary interest in the property, the right of distress for arrears.rentiapril(pharmacology) An ACE inhibitor.renucleateTo reinsert a nucleus into a cell.renumberedsimple past and past participle of renumberrenumberer(programming, dated) A program that renumbers lines of code in another program (for example, to allow insertion of further lines between them).renumerate(transitive) To renumber (number again).renunciantThat renounces; renouncing.renunciateOne who has renounced.renzapride(pharmacology) A gastroprokinetic agent and antiemetic.reobservedsimple past and past participle of reobservereoccasion(transitive) To occasion again.reoccupiedsimple past and past participle of reoccupyreoccupierOne who reoccupies.reoccuringMisspelling of reoccurring.reoccurredsimple past and past participle of reoccurreoffendedsimple past and past participle of reoffendreoffenderA repeat offender; someone who reoffends, who commits a crime on more than one occasion.reopenableCapable of being opened again.reoperable(surgery) Able to be reoperated uponreoptimiseAlternative form of reoptimize.reoptimizeTo optimize againreorderingA rearrangement.reorganise(British spelling) Alternative spelling of reorganize.reorganize(transitive) to organize something again, or in a different mannerreorientedsimple past and past participle of reorientreovertakeTo overtake again.reovertooksimple past of reovertakereovirusesplural of reovirusreoxidizedsimple past and past participle of reoxidizerepackableAble to be repacked.repackagedsimple past and past participle of repackagerepackagerAn individual or company that repackages a product.repackagesthird-person singular simple present indicative of repackagerepaganize(transitive) To paganize again; to return to paganism.repaginateTo paginate again or in a different way.repaintingpresent participle and gerund of repaintrepairableAble to be repaired.repairmentThe act of repairing.repaperingpresent participle and gerund of repaperreparandum(linguistics) An error in speech that is subsequently corrected ("repaired") by the speaker.reparation(usually in the plural) A payment of time, effort or money to compensate for past transgression(s).reparativeTending to or intended to repair.reparatoryRelating to repair or reparation.repatriateA person who has returned to their country of origin or whose original citizenship has been restored.repaymentsplural of repaymentrepealableCapable of being repealed.repealmentThe act of repealing something.repeatableAble to be repeated.repeatablyIn a repeatable manner, capable of being repeated.repeatedlyDone several times or in repetition.repeatered(telecommunications) Fitted with repeaters, as on a transmission linerepeatless(genetics) Lacking repeatsrepechagesplural of repechagerepechargeMisspelling of repechage.repedation(obsolete, literal or figurative) A stepping or going back.repellableAble to be repelled.repellancyMisspelling of repellency.repellantsplural of repellantrepellenceAlternative form of repellency.repellencyThe ability to repel; the characteristic of repelling.repellentsplural of repellentrepentableOf which one may repent.repentanceThe condition of being repentant, penitent.repentistaA Brazilian poet who sings his or her own improvised verses to the sound of the viola or fiddle.reperceiveTo perceive again, usually in a different way.reperfusedsimple past and past participle of reperfuserepersuade(transitive) To persuade again.repertaxinAn inhibitor of chemokine receptors, R(-)-2-(4-isobutylphenyl)propionyl methansulphonamiderepertible(rare, obsolete) Synonym of findable: able to be found.repertoireA list of dramas, operas, pieces, parts, etc., which a company or a person has rehearsed and is prepared to perform or display.repetetiveMisspelling of repetitive.repetiteur(music, theater) A tutor or coach of ballet dancers or opera singers.repetitionThe act or an instance of repeating or being repeated.repetitiveHappening many times in a similar way; containing repetition; repeating.rephrasingpresent participle and gerund of rephraserepiferminA recombinant human keratinocyte growth factor that is used to help wound healingrepinementThe act of repining.repininglycomplainingly; regretfully; ruefullyrepirinastAn antihistamine.repitchingpresent participle and gerund of repitchrepititionMisspelling of repetition.replacableMisspelling of replaceable.replanningpresent participle and gerund of replanreplantingpresent participle and gerund of replantreplatform(computing, transitive) To migrate to a different platform.replayableThat can be replayed.replenishtObsolete form of replenished.repletionsplural of repletionreplevisor(law) A plaintiff in replevin.replevyingpresent participle and gerund of replevyreplicablePossible to replicate or reproduce; reproducible.replicablyIn a replicable mannerreplicantsplural of replicantreplicasesplural of replicasereplicatedsimple past and past participle of replicatereplicatesthird-person singular simple present indicative of replicatereplicatorSomething capable of self-replication, like a gene or meme.replichore(genetics) A replicated half of a chromosome in some bacteriareplisomal(genetics) Relating to a replisomereplottingpresent participle and gerund of replotreplyinglySo as to reply; in a manner suggesting a response.repointingpresent participle and gerund of repointrepolariseNon-Oxford British English standard spelling of repolarize.repolarizeTo polarize again.repolishesthird-person singular simple present indicative of repolishrepopulateTo populate again; to breed among a group in order to keep the population up.reportable(of a disease etc) That must be reported to the proper authorities; notifiablereportbackThe act of reporting back; returning with information.reportedlyAccording to reports or rumors.reporterlyCharacteristic of a reporter.reportressAlternative form of reporteress.reposinglyIn a state of repose.repositingpresent participle and gerund of repositrepositionTo put into a new positionrepositoryA location for storage, often for safety or preservation.repostpone(transitive) To postpone again.repoussageThe art or process of hammering out or pressing thin metal from the reverse side, either to produce decorative work or to level up part of an etched plate that has been worked so as to cause a depression.repoussoir(art) The use of an object such as a curtain extremely close up to the picture plane in a painting. This originates from Baroque paintings and is used to create depthrepoweringpresent participle and gerund of repowerreprehendsthird-person singular simple present indicative of reprehendrepresentsthird-person singular simple present indicative of representrepressersplural of represserrepressingpresent participle and gerund of repressrepressionThe act of repressing; state of being repressed.repressiveServing to repress or suppress; oppressiverepressorsplural of repressorrepressureTo pressurize again; to restore to a given pressurereprevableObsolete form of reprovable.reprievingpresent participle and gerund of reprievereprimandsplural of reprimandreprintersplural of reprinterreprintingpresent participle and gerund of reprintreprisableLiable to be compensated for something that was taken.reproachedsimple past and past participle of reproachreproacherSomeone who reproaches.reproachesplural of reproachreprobance(obsolete) reprobationreprobatedsimple past and past participle of reprobatereprobaterSomeone who reprobates.reprobatesplural of reprobatereprobator(Scots law, historical) An old form of action to prove a witness to be perjured or biased.reproclaim(transitive) To proclaim again.reproducedsimple past and past participle of reproducereproducerOne who reproduces something.reproducesthird-person singular simple present indicative of reproducereprofiledsimple past and past participle of reprofilereprohibit(rare, transitive) To prohibit (something) again.reprolysin(biochemistry) A group of metalloproteases, that contains zinc, found in some snake venomreproofingpresent participle and gerund of reproofreproposalA second or subsequent proposal.reproposerOne who proposes something again.reproterol(pharmacology) A β₂-adrenergic receptor agonist used in the treatment of asthma.reprotoxic(pharmacology, toxicology) Having a toxic effect on the process of reproductionreprovablereproachable; worthy of reproof or censurereprovablyIn a reprovable manner.reptantianAny decapod of the clade Reptantia.reptiledomThe state of being a reptile, or of belonging to the world of reptiles; reptiles, collectively.reptiliansplural of reptilianreptilious(dated) Synonym of reptile: creeping, crawling.reptitious(obsolete) Synonym of reptile: creeping, crawling.republicanAdvocating or supporting a republic as a form of government, advocating or supporting republicanism.republiqueObsolete spelling of republic.repudiableAble or fit to be repudiated.repudiatesthird-person singular simple present indicative of repudiaterepudiatorOne who repudiates.repugnableCapable of being repugned or resisted.repugnanceExtreme aversion, repulsion.repugnancyThe quality of being repugnant: offensiveness, repulsion.repulpableSuitable for repulping.repulsionsplural of repulsionrepuncture(transitive) To puncture again.repurchaseTo buy back or again; to regain by purchase.repurposedsimple past and past participle of repurposerepurposerOne who repurposes something.repurposesthird-person singular simple present indicative of repurposereputationWhat somebody or something is known for.reputativereputed; putativereputelessNot having good repute; disreputable; disgraceful; inglorious.requantify(transitive) To quantify again.requestersplural of requesterrequestingpresent participle and gerund of requestrequestionTo question again.requestive(linguistics) Of, pertaining to, or for the purpose of making requests.requestman(naval) One who submits a formal request.requiescatA prayer for the peaceful repose of the soul of a dead personrequietory(obsolete) A sepulchre.requirableCapable of being required.requisitesplural of requisiterequisitorOne who makes requisition; especially, one authorized by a requisition to investigate facts.requisitumSomething that is asked for; the answer demanded by a problem.requitableThat may be requited.requiteful(rare, archaic) Tending to requite something; reciprocating.reradiatedsimple past and past participle of reradiatereradiatesthird-person singular simple present indicative of reradiatererailment(rail transport) The action of rerailing; restoring a derailed locomotive or train to its rails.rerebracesplural of rerebracererecordedsimple past and past participle of rerecordrerecoveryAn additional recovery following a relapse.reredemain(archaic) A backward stroke of the hand.reredorterA latrine situated at the rear of a medieval monastery or convent.rereferralReferral again or anew; the act or process of rereferring.reregisterTo register again, or to renew or change one's registrationreregulate(transitive) To regulate again or anew.rereleasedsimple past and past participle of rereleaserereleasesplural of rereleasererememberTo remember again.reresearchTo research again.rereviewer(rare) One who reviews something a second time.rerollableOf scrap metal: capable of being rolled out again.reroutableCapable of being rerouted.rerouteingpresent participle and gerund of reroutererunnableCapable of being rerun.resaleableAlternative form of resalable.resampling(statistics) Any technique or instance of generating a new sample from an existing dataset.resanctify(transitive) To sanctify again.resanitizeTo repeat sanitization.resatorvid(biochemistry) A particular TLR4 signal inhibitor.resaturateTo saturate again.rescalableThat can be rescaledrescanningpresent participle and gerund of rescanreschedule(transitive) To schedule again or at a different time.rescimetolAn antihypertensive drug.rescindingpresent participle and gerund of rescindrescinsion(law, parliamentary language) Rescission.rescissionAn act of rescinding: removing, taking away, or taking back.rescissoryTending to rescind; pertaining to rescission.rescramble(transitive) To scramble again.rescribbleTo scribble again.rescrutinyFurther scrutiny; a second or repeated examination.rescuelessWithout rescue or release.resealableAble to be resealed.resealablySo that it can be resealed.researchedsimple past and past participle of researchresearcheeOne who is researched.researcherOne who researches.researchesthird-person singular simple present indicative of researchreseatableAble to be reseated.resectable(surgery) Suitable for resectionresectionsplural of resectionresedationA second or subsequent sedationresedimentTo redeposit a sedimentreseedableAble to be planted again with seeds.reselectedsimple past and past participle of reselectresellableCapable of being resold.resemblantHaving a resemblance (to).resemblersplural of resemblerresemblingpresent participle and gerund of resemblereseminate(obsolete) seminate againresendable(rare) Capable of being sent again.resentableDeserving resentment.resentence(law, transitive) To issue a new sentence for certain crimesresentmentAnger or displeasure stemming from belief that one or one's group has been wronged or betrayed by others; indignation.reseparateTo separate again.resequence(transitive) To sequence again.reserpinesplural of reserpinereservableThat may be reserved.reservance(archaic, rare) Reservation.reservedlyIn a reserved manner.reservistsplural of reservistreservoirsplural of reservoirresettableCapable of being reset.resettlingpresent participle and gerund of resettlereshapableCapable of being reshaped.reshelvingpresent participle and gerund of reshelvereshiftingpresent participle and gerund of reshiftreshipment(uncountable) The condition of being reshipped.reshippingpresent participle and gerund of reshipreshootingpresent participle and gerund of reshootreshoulder(transitive) To place (a burden) back onto one's shoulder.reshuffledsimple past and past participle of reshufflereshufflerOne who, or that which, reshuffles.residencesplural of residenceresidencia(historical) In the Spanish Empire, a court, trial, or hearing held by a newly elected official, such as the governor of a province, to examine the conduct of a predecessor.residental(rare) residentiaryresidenter(obsolete) resident.residuated(mathematics) Modified by residuationresightingpresent participle and gerund of resightresignableAble to be resigned.resignedlyWith resignation and acceptance; in a resigned mannerresilience(psychology, neuroscience) The mental ability to recover quickly from depression, illness or misfortune.resiliencySynonym of resilience.resilition(archaic) resilienceresilvererOne who resilvers.resimulateTo simulate again.resinatingpresent participle and gerund of resinateresinationThe process, or the result, of resinatingresiniform(archaic) Having the form of resin.resinosideThe glycoside of a resinresinouslyBy means of, or in the manner, of resin.resiquimodA chemical analogue of imiquimod, potentially useful in treating skin cancer.resistableAlternative form of resistible.resistanceThe act of resisting, or the capacity to resist.resistantsplural of resistantresistence(rare) Alternative form of resistance.resistibleAble to be resisted.resistiblySuch that it can be resisted.resistlessThat cannot be resisted; irresistible.resistojet(uncountable) A method of spacecraft propulsion (electric propulsion) that provides thrust by heating a (typically non-reactive) fluid.resizeable(computing, UK) Alternative form of resizable.reskillingpresent participle and gerund of reskillreskinningpresent participle and gerund of reskinreslizumab(pharmacology) A humanized monoclonal antibody under investigation for the treatment of eosinophil-meditated inflammations of the airways, skin and gastrointestinal tract.resmethrinA pyrethroid insecticide with many uses, including control of the adult mosquito population.resolidifyTo solidify again; to return to a solid state.resolutelyIn a determined, unyielding manner.resolutionA firm decision or an official decision.resolutiveServing to dissolve or relax.resolvableAble to be resolved; to which a solution may be found.resolvablyIn a way that can be resolved.resolvance(optics) The resolving power of a lens or deviceresolvedly(obsolete) So as to resolve or clear up difficulties; clearly.resolventsplural of resolventresolvibleArchaic form of resolvable.resomationA process for the disposal of a corpse by submerging it in a strong base compound at a high pressure and temperature until it dissolves.resonancesplural of resonanceresonantlyIn a resonant manner.resonatingpresent participle and gerund of resonateresonationThe act or state of resonatingresonatorsplural of resonatorresonatoryRelating to resonationresonicateTo sonicate againresonistorA monolithic electromechanical resonator constructed in MEMS technologyresorantelAn anthelminthic drug.resorbableAble to be resorbed.resorcinol(organic chemistry) The diphenol meta-dihydroxy benzene, used as a mild antiseptic and in many industrial applications; isomeric with catechol and hydroquinone.resorcylic(organic chemistry) Relating to, or producing resorcinolresorfurinMisspelling of resorufin.resorptionThe act of resorbing.resorptiveOf, pertaining to, or caused by resorption.resortlikeResembling or characteristic of a resort (compound of holiday buildings).resoundingHaving a deep, rich sound; mellow and resonant.resourcingThe provision of resources.respectant(heraldry, numismatics) Placed so as to face one another; face to face.respectersplural of respecterrespectfulMarked or characterized by respectrespectingpresent participle and gerund of respectrespection(obsolete, Early Modern) respect; regardrespectiveRelating to particular persons or things, each to each; particular; own.respellingA different spelling of a word, especially to show its pronunciation.respersion(obsolete) The act of sprinkling or scattering.respinningpresent participle and gerund of respinrespirableOf air: breathable.respiratorA device to assist breathing.resplendidMisconstruction of resplendent.resplicingpresent participle and gerund of resplicerespondentOne who responds; one who replies.respondersplural of responderrespondingpresent participle and gerund of respondresponsion(UK, education, historical, in the plural) The first of three examinations once required for an academic degree at the University of Oxford; nicknamed the little go and generally taken around the time of matriculation.responsiveAnswering, replying or respondingresponsoryA chant or anthem recited after a reading in a church service; a respond.responsure(obsolete) A response.resprayingpresent participle and gerund of resprayresprouterAny plant that survives by resprouting after a firerestackingpresent participle and gerund of restackrestaffingpresent participle and gerund of restaffrestagnant(obsolete) stagnant; motionlessrestagnate(obsolete) To stagnate; to cease to flow.restampingpresent participle and gerund of restamprestartingpresent participle and gerund of restartrestaurantAn eating establishment in which diners are served food, usually by waiters at their tables but sometimes (as in a fast food restaurant) at a counter.restaurate(obsolete or nonstandard) To restore.restednessthe state of being restedrestenosis(pathology) The recurrence of stenosis, especially that of an artery.restenotic(pathology) Relating to restenosisrestharrowAny of various species of small shrubs making up the genus Ononis, especially common restharrow (Ononis repens), which has pink flowers.resthousesplural of resthouserestirringStirring again.restitutedsimple past and past participle of restituterestitutesthird-person singular simple present indicative of restituterestitutor(chiefly law) One who (or that which) restores or makes restitution.restlesslyIn a restless manner.restmassesplural of restmassrestockingpresent participle and gerund of restockrestorableCapable of being restored or reclaimedrestorably(rare) Such that it can be restored.restoratorA restorer; one who restores.restoritie(obsolete) A restorative.restrainedHeld back, limited, kept in check or under control.restrainerSomething that restrains.restraintsplural of restraintrestratifyTo stratify againrestrictedsimple past and past participle of restrictrestricteeA person who is subject to a restriction.restrictorAnything that restrictsrestripingpresent participle and gerund of restriperesublimedsimple past and past participle of resublimeresubmergeTo submerge again.resubpoena(transitive) To subpoena again.resudation(rare) The act of sweating again.resultance(archaic) The act of resulting; that which results; a result.resultantsplural of resultantresultlessWithout result; lacking effect, success or accomplishment; fruitless.resumptionThe act of resuming or starting something again.resumptiveThat is in the nature of resumption.resupinate(botany) Having the appearance of being upside down.resuppress(transitive) To suppress again.resurfacedsimple past and past participle of resurfaceresurfacerA tool or machine used to resurface.resurfacesthird-person singular simple present indicative of resurfaceresurgenceAn instance of something resurging; a renewal of vigor or vitality.resurgencyThe quality of being resurgent; a tendency to rise again.resurrectsthird-person singular simple present indicative of resurrectretabulateTo tabulate again, often differently.retailableAble to be retailed.retailmentThe act of retailing.retainableCapable of being retained.retainablySuch that it can be retained.retaliatedsimple past and past participle of retaliateretaliatesthird-person singular simple present indicative of retaliateretaliatorOne who retaliates.retardableCapable of being retarded, or delayed.retardance(physics) The difference in phase shift between two characteristic polarizations of light upon reflection from an interface. Retardance can be reported in the Abelès or Mueller conventions. The retardance phase shift angle is often specified in degrees.retardancyThe degree of being retardantretardantsplural of retardantretardatesplural of retardateretardedlyIn a retarded way.retardencyAlternative form of retardancy.retardical(slang, derogatory) Stupid.retardicanAlternative letter-case form of Retardican.retardlike(derogatory, slang) Resembling a retard.retardmentRetardation; the act of retarding or delaying.retargetedsimple past and past participle of retargetretargeterOne who or that which retargets.retaxationThe act of taxing something again; recalculation of tax.reteachingpresent participle and gerund of reteachretelecast(transitive) To telecast again.retelevise(transitive) To televise again.retellingsplural of retellingretentionsplural of retentionretestableCapable of being retested.retgersite(mineralogy) A tetragonal-trapezohedral dark green mineral containing hydrogen, nickel, oxygen, and sulfur.retheorizeTo theorize again or anew.rethinkingpresent participle and gerund of rethinkreticencesplural of reticencereticensesthird-person singular simple present indicative of reticense; archaic spelling of reticences.reticentlyIn a reticent manner.reticulary(archaic) reticularreticulateNetwork-like in form or appearance.reticuline(organic chemistry) An alkaloid found in opium.reticullinMisspelling of reticulin.reticuloidResembling or suggestive of, but not, a reticulum; that is, not reticulate or reticular but seeming so.reticuloseForming a network; characterized by a reticulated structure.retigabine(pharmacology) An anticonvulsant drug.retinaculaplural of retinaculumretinalite(mineralogy) A translucent variety of serpentine of a honey-yellow to greenish-yellow colour, with a waxy resinous lustre.retinamide(organic chemistry) Any amide of retinoic acid.retinerved(botany) Having reticulated veins.retinocyte(ophthalmology) a specialized cell in the retina of the eye, specifically referring to photoreceptor cells (rods and cones) that detect light and initiate vision.retinogramAn image of the retina obtained by retinographyretinologyThe study of the retina.retinopexy(surgery) fastening of a retinal tearretinosomeA lipid organelle present in retinal epitheliumretinotomy(surgery) incision into, or division of, the retinaretinotopyThe mapping of the visual field to individual neuronsretinulate(archaic, rare, zoology) Having, or characterized by, retinulae.retipilate(botany, of a pollen grain) Having a reticulate pattern of pilaretirementAn act of retiring; withdrawal.retiringlyIn a retiring manner.retokenize(transitive, computing) To tokenize again.retopology(computer graphics) Modification of the topology of an object.retorsionsplural of retorsionretortableTo which one may produce a counterargument; answerable.retouchersplural of retoucherretouchingpresent participle and gerund of retouchretractate(obsolete) To retract; to recant.retractileThat can be retracted (as a cat's claws)retractingpresent participle and gerund of retractretractionAn act or instance of retracting.retractiveThat which retracts or withdraws.retractorsplural of retractorretrainingpresent participle and gerund of retrainretransferTo transfer back, or again.retransmitTo transmit again.retraverse(transitive) To traverse again.retreadingpresent participle and gerund of retreadretreatant(religion) a participant in a religious or similar retreatretreatful(rare) Furnishing or serving as a retreat.retreatingpresent participle and gerund of retreatretreatismA policy or advocacy of retreat.retreatistOne who supports or advocates retreatism.retrenchedsimple past and past participle of retrenchretrencherOne who retrenches.retrenchesthird-person singular simple present indicative of retrenchretributerSomeone who makes retribution.retributorAlternative form of retributer.retrievalsplural of retrievalretrieversplural of retrieverretrievingpresent participle and gerund of retrieveretroactedsimple past and past participle of retroactretroamide(organic chemistry) An isomer of an existing amide in which the main substituent is attached to the NH group instead of the CO group of the -CO-NH- groupretrocaval(anatomy) Behind the vena cavaretrocecal(anatomy) Behind the caecum.retrocededsimple past and past participle of retrocederetrocedesthird-person singular simple present indicative of retrocederetrochoir(architecture) Any extension of a church behind the high altar, such as a chapel.retrocline(intransitive, dentistry) Of teeth, to lean backward.retrocolic(anatomy) posterior to the colonretrocuing(physiology) retroactive cuingretrodiene(organic chemistry) used attributively to describe the removal of a previously added diene moiety from a moleculeretrodimerMisspelling of heterodimer.retrofiredsimple past and past participle of retrofireretroflect(transitive) To turn or redirect back at itself.retrofocus(photography, attributive) A wide-angle lens with an inverted telephoto configuration.retrofract(botany) Bent sharply back, so as to appear broken.retrogamer(video games) A retrogaming enthusiast.retrogeniaA medical condition in which the chin is significantly recessed compared to the upper jaw.retrogenic(genetics) Relating to retrogenesretrogradeDirected or moving backwards in relation to the normal or previous direction of travel; retreating.retrogreen(colloquial, rare) To retrofit existing models or structures (theoretical or physical) to accommodate environmentally friendly values.retrogress(intransitive) To return to an earlier, simpler or worse condition; to regress.retrohilar(anatomy) Posterior to a hilum.retrojugal(anatomy) Behind the jugal boneretromaniaenthusiasm for retro stylesretromolar(anatomy) behind the molar teethretronasalPertaining to the back of the noseretronymicBeing or relating to a retronym.retrophileOne who loves the past, or past styles.retroposed(genetics) inserted into a chromosome following reverse transcriptionretroposon(genetics) A fragment of DNA inserted into a chromosome following reverse transcription from RNA.retropubic(anatomy) Behind the pubic area (and in front of the urinary bladder).retroquireAlternative form of retrochoir.retrorenal(anatomy) Behind a kidneyretrorselyIn a retrorse fashion.retrorsine(organic chemistry) A cytotoxic pyrrolizidine alkaloid, 12,18-dihydroxysenecionan-11,16-dione, isolated from various plantsretroscapeA landscape or setting filled with things from the past.retrospectConsideration of past times.retroverseArranged in a backwards or reverse manner.retroviralOf or pertaining to a retrovirusretrovirus(computer security) A computer virus that seeks to attack antivirus programs in an attempt to avoid detection.retrusible(rare) Capable of being retruded.returnableCapable of being returned.returnlessfrom (or due to) which one will not, or cannot, return (of a journey, destination, situation, distance, etc.)returnment(obsolete, rare) A return; a moving back.returnshipAn internship-like program for experienced workers seeking to reenter the workforce after an extended period, particularly in a new line of work.retweetingpresent participle and gerund of retweetreundercut(transitive) To undercut again.reunionismA policy in favour of reunion.reunionistOne who supports reunion.reunitableCapable of being reunited.reunitedly(rare) Having been reunited.reuploaderSomeone who reuploads.reurbanize(transitive) To urbanize again or anew.reutericinA bacteriocin produced by Lactobacillus reuteri.revaccineeA person or animal who has been revaccinatedrevalidateTo validate again.revaloriseAlternative spelling of revalorize.revalorizeTo reevaluate the value of something.revaluableCapable of being revalued.revaluatesthird-person singular simple present indicative of revaluaterevampmentAn act of revamping.revanchismThe political policy of endeavouring to regain lost territory.revanchistA revanchist person; occasionally, anyone seeking vengeance.revaporizeTo vaporize again.revealableAble to be revealed; capable of revealing.revealedly(rare) By way of revelation.revealmentThe act of revealing something; revelation.revegetate(transitive, chiefly ecology) To produce new vegetation on (a barren ground or area); to colonize (barren ground).revelationThe act of revealing or disclosing.revelativeSynonym of revelatory.revelatorsplural of revelatorrevelatoryOf, pertaining to, or in the nature of a revelation.revengefulVengeful, vindictive.reverantlyMisspelling of reverently.reverbrateAlternative form of reverberate.reverencedsimple past and past participle of reverencereverencerOne who reverences something.reverencesthird-person singular simple present indicative of reverencereverendlyObsolete form of reverently.reverentlyin a reverent manner.reversableAlternative form of reversible.reversallyIn a reversal manner; by means of reversing.reversedlyIn a reversed way.reversefulFull of setbacks or misfortune.reversgramSynonym of semordnilap.reversibleAble to be reversed.reversiblyIn a way that can be undone.reversionsplural of reversionrevertableAlternative form of revertible (which is the more common form)revertantsplural of revertantrevertibleAble to be reverted.revestiary(obsolete) The storage space or room in a church or temple where the vestments etc. are kept.revetementAlternative form of revetment.revetmentsplural of revetmentreviewableEligible for review or reconsideration.reviewlessWithout review.revigorate(obsolete) To give new vigour to.revilementThe act of reviling.revilinglyin a reviling mannerrevisinglyIn a manner that revises.revisionalOf or relating to revision or change.revisitantVisiting again.revisitingThe act of visiting again.revitaliseTo give new life, energy, activity or success to something.revitalizeAmerican and Oxford British English standard spelling of revitalise.revivalismAdvocacy for the revival of a former practice, custom, etc.revivalistSomeone who seeks to revive something.revivement(obsolete) revivalrevivicate(transitive, obsolete) To revive or revitalize; to bring back to life.revivifiedsimple past and past participle of revivifyrevivifierOne who revivifies.revivifiesthird-person singular simple present indicative of revivifyrevivinglySo as to revive.revocationAn act or instance of revoking.revocativeRevocatory; tending to revoke or recall.revocatoryOf or pertaining to revocation; revocative; tending to revoke or recall.revokement(archaic) revocationrevokinglyBy way of revocation; so as to revoke.revoltedlyIn a revolted manner; with shock or disgust.revoltress(archaic) A female revolter.revolution(countable, politics) A political upheaval in a government or state characterized by great change.revolutive(botany) Having the edges roll back spirally on each side during aestivation, as in rosemary.revolvableCapable of being revolved, rotatable.revolvency(now rare) The fact or act of revolving; capacity for revolution.revolveredArmed with a revolver.revortexedvortexed againrevulsionsplural of revulsionrewakeningpresent participle and gerund of rewakenrewardableWorthy of reward.rewardablyIn a way that merits a reward.rewardedlyHaving been rewarded.rewardlessLacking rewardrewashableThat can be rewashed.rewatchingpresent participle and gerund of rewatchreweighingpresent participle and gerund of reweighreweightedsimple past and past participle of reweightrewindableThat can be rewound.rewireableHaving adjustable wiring.rewithdraw(transitive) To withdraw again.rewithdrewsimple past of rewithdrawrewordable(rare) Able to be expressed in different words.reworkableCapable of being reworked.reworkingsplural of reworkingreworldingpresent participle and gerund of reworldrewrappingpresent participle and gerund of rewraprewritableAble to be rewritten, or written again.rewriteman(journalism) A newspaper reporter who crafts stories from information reported by others, such as legmen.rezafunginAn antifungal drug of the echinocandin class.rezbanyite(mineralogy) A mineral consisting of lead, copper, and bismuth sulfide.rhabdocoelAny flatworm of the infraclass or order Rhabdocoela.rhabdoidalrhabdoid; rod-shapedrhabdolithA minute calcareous rodlike structure found at both the surface and the bottom of the ocean, supposed by some to be a calcareous alga.rhabdologyAlternative form of rabdology.rhabdomereAny of the small, rodlike parts of a rhabdom.rhabdornisAny of the small passerine birds of the genus Rhabdornis, endemic to the Philippines.rhabdosomeA graptolite colony.rhabduscin(organic chemistry) An amidoglycosyl- and vinyl-isonitrile tyrosine derivative that is a perimeter defense molecule in entomopathogenic bacteriarhabovirusMisspelling of rhabdovirus.rhachidian(anatomy) Of or pertaining to the rachis.rhachitome(zoology) Any amphibian of the clade Rhachitomi.rhadiditidAny nematode of the order Rhabditida.rhadomancyAlternative form of rhabdomancy.rhaetizite(obsolete, mineralogy) A variety of the mineral kyanite.rhamnoside(organic chemistry) Any glycoside of rhamnoserhamnulose(biochemistry) a particular deoxyketohexose related to sorboserhapsodiesplural of rhapsodyrhapsodiseNon-Oxford British English standard spelling of rhapsodize.rhapsodismA rhapsodic style or mood.rhapsodize(intransitive) To speak with exaggerated or rapturous enthusiasm (about, (up)on or over something).rheinberryOne of the berries or drupes of the European buckthorn (Rhamnus cathartica).rheocrenicRelating to rheocrenesrheographyThe measurement of blood flowrheologistOne who studies rheology.rheometersplural of rheometerrheometricOf or pertaining to rheometryrheonomousSynonym of rheonomic.rheopecticExhibiting rheopexy.rheophiliaSynonym of rheophily.rheophilic(zoology) That lives in swiftly-flowing waterrheophytic(biology) Relating to rheophytesrheoscopicRelating to the rheoscope.rheostasis(biology) The regulation of some aspect of a biological organism in a changing environment.rheostaticRegulated using a rheostat.rheotactic(biology) relating to rheotaxisrheotrauma(pathology) mechanical trauma, especially that caused to the lungs by mechanical ventilationrheotropicPertaining to or exhibiting rheotropism.rhetoricalPart of or similar to rhetoric, the use of language as a means to persuade.rheumatickObsolete form of rheumatic.rheumaticsplural of rheumaticrheumatism(pathology) Any disorder of the muscles, tendons, joints, bones, nerves, characterized by pain, discomfort and disability.rheumatizeAlternative form of rheumatiz.rheumatoid(medicine, usually) Involving or pertaining to rheumatism, especially rheumatoid arthritis.rheuminessThe quality of being rheumy.rhexistasy(geology) A period of intense erosion due to the absence of a cover of vegetation.rhexolytic(biology) Describing the dehiscence of a cell by the breakdown of the outer wall, between conidiarhinectomy(surgery) Removal of the nose.rhinestoneAn artificial diamond, strass.rhinobatid(zoology) Any fish in the family Rhinobatidae.rhinoceralResembling or relating to a rhinoceros.rhinoceros(paleontology) A member of the superfamily Rhinocerotoidea, including hornless members of the extinct genus Paraceratherium.rhinocerot(now rare) The rhinoceros.rhinocerusMisspelling of rhinoceros.rhinodynia(medicine) Pain in the nose.rhinogenic(medicine) Originating in the nose.rhinolalia(pathology) a nasal quality of speech from some disease or defect of the nasal passagesrhinologicOf or pertaining to rhinology.rhinometry(surgery) diagnostic measurement of the nasal cavityrhinophoreA club-shaped structure that occurs in pairs as the most prominent part of the external head anatomy of the dorid nudibranchs.rhinophyma(medicine) The condition of having a large, bulbous, ruddy nose caused by granulomatous infiltration, commonly due to untreated rosacea.rhinoplastA surgeon who carries out rhinoplasty.rhinorrhea(medicine) A persistent discharge of watery mucus from the nose; typical of the common cold.rhinoscopean instrument used to examine inside the noserhinoscopy(medicine) examination of the nasal passages using an endoscope or speculum; nasal endoscopyrhinothecaThe hornlike covering of the upper part of a bird's beak.rhinotopicRelating to rhinotopyrhinotorid(zoology) Any fly in the family Rhinotoridae, now considered to be the heleomyzid subfamily Rhinotorinae.rhinoviralRelating to the rhinovirusesrhinovirus(virology) Any of many common infectious RNA viruses, of the genus Rhinovirus, that cause disorders such as the common cold.rhizavidin(biochemistry) An avidin dimer present in Rhizobium bacteriarhizobiome(biology) The biome associated with a rhizosphererhizogenicSynonym of rhizogenous.rhizomaniaAn abnormal development in the taproots of some plants, especially sugar beet, characterized by fine, hairy secondary roots; it is caused by the infection of the plant with a virus transmitted by a protozoan.rhizomatic(botany) Resembling or related to a rhizome.rhizomeliaA disproportion of the length of the proximal limb, such as the shortened limbs of achondroplasia.rhizomelicOf or pertaining to the hip and shoulder jointsrhizomorphA rootlike structure, consisting of a dense mass of hyphae, in many fungirhizopathyA pathologic condition in nerve roots.rhizophagy(entomology) The eating of roots.rhizophore(botany) The structure bearing the true roots in certain species of Selaginella.rhizophyte(botany) Any vascular plant that has rootsrhizoplaneThe microenvironment of a root system near the surface.rhizoplast(biology) A fibril connecting the blepharoplast with the nucleus in a flagellated cellrhizopodal(zoology) Of or pertaining to the rhizopods.rhizostome(obsolete) Any member of the Rhizostomata, certain discomedusan jellyfish.rhizotaxis(botany) The arrangement of the roots of plants.rhizotonic(linguistics, of an inflected form) Having the stressed syllable within the root of the word.rhizotoxictoxic to rhizomes / rootsrhizotoxinAny rhizotoxic materialrhizotroneAlternative form of rhizotron.rhodacarid(zoology) Any mite in the family Rhodacaridae.rhodaminesplural of rhodaminerhodaminyl(organic chemistry, in combination) A univalent radical derived from rhodaminerhodocytin(biochemistry) A protein found in venom of the viper Calloselasma rhodostomarhodomycin(medicine) Any of a group of antibiotics produced by Streptomycesrhodophane(biochemistry) The red pigment in the inner segments of the cones of the retina in animals.rhodophyllThe compound pigment found in the red algae.rhodophyte(biology) Any red alga (of phylum Rhodophyta).rhodopinal(organic chemistry) A particular carotenoid.rhodopinol(organic chemistry) A particular carotenoid.rhodopsinsplural of rhodopsinrhodosperm(obsolete) Any seaweed with red spores, in the former class Rhodospermeae.rhodotoxinOne of the grayanotoxins; grayanotoxin I.rhombicityA certain characteristic of a symmetric second-rank tensor in three-dimensional Euclidean space, describing its directional asymmetry.rhombiform(geometry) In the shape of a rhombus.rhombogene(zoology) A dicyemid that produces infusoria-like embryos.rhomboidalrhomboid, having a rhomboid shaperhomboides(obsolete) A rhomboid.rhomboidlyIn a rhomboid manner.rhombomere(developmental biology, neurology) A temporarily divided segment of the developing neural tube, within the hindbrain regionrhombozoan(zoology) Any of the phylum Rhombozoa of tiny parasites found in the renal appendages of cephalopods.rhumbatron(physics, historical) A kind of resonator.rhyacolite(mineralogy) A glassy feldspar found at Mount Somma in Italy.rhymeproseAn early form of poetry, not strictly distinguished from prose writing, but having certain poetical features.rhynchitidAny weevil in the family Rhynchitidae, the attelabid subfamily Rhynchitinae in some classifications.rhynchopid(zoology) Any skimmer in the family Rynchopidae.rhyodacite(geology) An extrusive volcanic rock intermediate in composition between dacite and rhyoliterhyolithic(obsolete) Alternative form of rhyolitic: composed of or related to rhyolite.rhypophagy(rare) The feeding on filthrhysimeter(obsolete) An instrument, similar to a pitot tube, for measuring the velocity of a fluid current, the speed of a ship, etc.rhythmicon(music) An early transposable keyboard instrument capable of playing notes in periodic rhythms proportional to the overtone series of a chosen fundamental pitch.rhythmlessWithout rhythm.ribaldrous(archaic) Of a ribald quality; lewd or lasciviousribalinine(organic chemistry) The quinoline alkaloid 3-hydroxy-2,2,10-trimethyl-2,3,4,10-tetrahydro-5H-pyrano[2,3-b]quinolin-5-oneribandlikeResembling or characteristic of a riband.ribaudrous(obsolete) Alternative form of ribaldrous.ribbonback(often attributive) A decorative chairback made with slender rails of wood.ribbonfishAny of several lampriform fish, of the family Trachipteridae, having long, ribbon-like bodies.ribbonlessWithout a ribbon.ribbonlikehaving the characteristics of ribbonsribbontailAny of several stingrays that have a distinctive tailribbonweedAny of various marine and freshwater flowering plants:ribbonwoodAny of various plants from Australia and New Zealand in the genera Hoheria, Idiospermum and PlagianthusribbonwormAlternative form of ribbon worm.ribociclibA kinase inhibitor used to treat certain cancersriboflavin(biochemistry) Yellow or orange-yellow water-soluble compound, a member of the vitamin B complex, that acts as a growth-promoting factor in humans and other animals.ribokinase(biochemistry) A transferase enzyme that catalyzes the chemical reaction ATP + D-ribose ⇌ ADP + D-ribose 5-phosphate.ribolysinghomogenizing in a ribolyserribonomicsThe study of ribonucleic acids and ribozymesribophorin(biochemistry) Any of a group of transmembrane glycoproteins located in the membrane of the rough endoplasmic reticulum, but absent in the membrane of the smooth endoplasmic reticulum.riboswitch(biochemistry) A segment within the leading end of a messenger RNA transcript that is able to gauge the cell's need for the protein encoded by the rest of the message, then to rearrange its shape to control whether that protein is manufacturedribosylase(biochemistry) An enzyme that catalyses ribosylation.ribosylate(transitive) To modify by means of ribosylation.ribotypingpresent participle and gerund of ribotypericeburgerAn Asian snack food based on the hamburger, with rice patties instead of a bun.ricegrowerOne who grows rice.richardiid(zoology) Any fly of the family Richardiidae.richellite(mineralogy) A tetragonal-pyramidal mineral containing calcium, hydrogen, iron, oxygen, and phosphorus.richsplain(informal, derogatory) To explain to a poor person (as a middle-class or wealthy person) in a condescending manner, presuming the listener's inferior understanding.richterite(mineralogy) A basic silicate mineral of sodium, potassium, magnesium, manganese, and calcium belonging to the amphibole groupricinolateAny salt or ester of ricinolic acid.ricinoleicOf or pertaining to ricinoleic acid or its derivatives.ricinolein(organic chemistry) The glyceride of ricinoleic acid, present in castor oil.ricinosome(biology) A plant organelle associated with programmed cell deathricinuleid(zoology) Any member of the Ricinulei (hooded tickspiders).rickardite(mineralogy) An orthorhombic mineral containing copper and tellurium.rickburnerAn arsonist who sets fire to hayricks.rickettsia(informal) Any bacterium of the order Rickettsiales.rickrollee(Internet slang, rare) Someone who gets rickrolled; the target of a rickroll.rickroller(Internet slang) Someone who rickrolls; a person who tricks people into listening to Rick Astley's song "Never Gonna Give You Up".ricochetal(zoology) Composed of a series of ricochets (or a fast succession of hops).ricochetedsimple past and past participle of ricochetridabilityAlternative spelling of rideability.riddennessThe quality of condition of being ridden by something.riddlelikeResembling or characteristic of a riddle.riddlesomeCharacterised by riddles or riddling; enigmaticriddlinglyIn the form of a riddle.ridershipsplural of ridershipridesharerOne who takes part in ridesharing.ridgeboardSynonym of ridgepole (“beam along the ridge of a roof”).ridgelinesplural of ridgelineridgelingsplural of ridgelingridgepieceSynonym of ridgepole.ridgeplateSynonym of ridgepiece.ridgepolesplural of ridgepoleridiculingIn a manner intended to ridicule.ridiculiseAlternative form of ridiculize.ridiculize(obsolete or nonstandard) To make ridiculous; to ridicule.ridiculousDeserving of ridicule; foolish, absurd.ridingcoatAlternative spelling of riding coat.ridingwearClothing to be worn while riding.riebeckite(mineralogy) A form of amphibole rich in sodium, the fibrous form of which, crocidolite, is a type of asbestos.riemannianAlternative letter-case form of Riemannian.rifametane(pharmacology) The antibiotic 3-azinomethyl-rifamycin.rifampicin(pharmacology) A reddish-brown semisynthetic antibiotic C₄₃H₅₈N₄O₁₂ obtained from the bacterium Amycolaptosis mediterranei, used chiefly to treat tuberculosis, leprosy, and asymptomatic carriers of meningococci.rifamycinsplural of rifamycinriflebuttsplural of riflebuttriflemakerThe maker of a rifle.rifleproofresistant to rifle fireriflescopeA telescopic sight for a rifle.rifleshotsplural of rifleshotriflewomanA female rifleman (one who uses a rifle as a weapon).rigamarole(chiefly US) Alternative form of rigmarole.rigescenceThe quality of being rigescent.rightaboutAlternative spelling of right-about.rightclickAlternative form of right-click.rightfullyIn accordance with what is right or just.rightslessLacking rights or privileges.rightthinkSynonym of goodthink.rightwardsRightward; towards the right.rigidifiedsimple past and past participle of rigidifyrigidifierThat which rigidifiesrigidifiesthird-person singular simple present indicative of rigidifyrigiditiesplural of rigidityrigidulous(botany) Somewhat rigid or stiff.rigmarolesplural of rigmarolerigmarolic(rare) Characteristic of rigmarole.rigoristicExhibiting rigorism; strict.rigorouslyIn a rigorous manner.rigosertibA synthetic benzyl styryl sulfone undergoing clinical trials as an anticancer agent.rigournessSynonym of rigour.rijstaffelMisspelling of rijsttafel.rijsttafelA large meal originating in colonial Indonesia composed of many different dishes with rice as the main ingredient; several side-dishes such as krupuk, acar and serundeng are served.rilonaceptA particular interleukin 1 inhibitor.rimegepantAn investigational drug for the treatment of migraine.rimexolone(pharmacology) A glucocorticoid steroid used to treat inflammation of the eye.rimonabantAn anti-obesity drug which acts as an appetite suppressant.rinderpestAn eradicated contagious disease of ruminants and swine caused by Rinderpest virus, an RNA virus of the genus Morbillivirus.ringalevioAlternative form of ringolevio.ringbarkedsimple past and past participle of ringbarkringbearerA person who carries a ring, especially a wedding ring as part of a wedding ceremony.ringbinderAlternative form of ring binder.ringfencedof funds, that may only be used for a previously specified purposeringfencesthird-person singular simple present indicative of ringfenceringhalsesplural of ringhalsringiculid(zoology) Any sea snail in the family Ringiculidae.ringleaderA leader of a group of people, especially an unofficial group.ringlettedAlternative spelling of ringleted.ringmakingThe manufacture of rings (type of jewellery).ringmasterThe person who manages the performers in a circus ring.ringolevio(US, playground games) A children's game, a variation of tag, where each side has a designated "jail" to hold captured players from the other team.ringtailedAlternative form of ring-tailed.ringwormedInfected with ringworm.ringwraithA person who is loyal, as if bound or entranced, to a band, group or organization.rinkmaster(rare) A manager of an ice rink.rinkomaniaA passion for roller skating on indoor rinks.ripeninglyWhile, or as if, ripening.ripicolousSynonym of riparian.ripidolite(mineralogy) A translucent green chlorite mineral of micaceous structure; a hydrous silicate of alumina, magnesia, and iron.ripiphorid(zoology) Any beetle in the family Ripiphoridae.ripplelessWithout ripples.ripplinglyWith a rippling motion.riprappingpresent participle and gerund of riprapripretinibA drug for the treatment of advanced gastrointestinal stromal tumor.riproximin(biochemistry) A protein that inactivates certain ribosomes and may have anticancer usesripsnorter(slang) a violently energetic or noisily outspoken person; someone using slambang methodsrisalahdarAlternative form of ressaldar.risibilityThe property of being risible.risktakersplural of risktakerrisktakingAlternative form of risk-taking.risquenessAlternative form of risquéness.rissoellid(zoology) Any sea snail in the family Rissoellidae.ristocetin(medicine) A toxic antibiotic, obtained from Amycolatopsis lurida, previously used to treat staphylococcal infectionsristoranteAn Italian restaurant.ritanserinA serotonin antagonist with potential uses in treating many neurological disorders.ritardando(music) Gradually decelerating the tempo of a piece of music, especially at the end of the piece.ritornelleAlternative form of ritornello.ritornello(music) A recurring tutti passage in Baroque music for orchestra or chorus.rittmasterA rank in cavalry or other mounted units, equivalent to captain.ritualisedsimple past and past participle of ritualiseritualistsplural of ritualistritualizedsimple past and past participle of ritualizeritualizerOne who ritualizes something.rituallessWithout a ritual.rivadavite(mineralogy) A monoclinic-prismatic mineral containing boron, hydrogen, magnesium, oxygen, and sodium.rivalshipsplural of rivalshipriverbanksplural of riverbankriverboardThe board used in the sport of riverboarding.riverboatsplural of riverboatrivercraftAny vessel that travels along a river.riverdanceA theatrical show based on traditional Irish music and dance.riverfrontThe real estate located along the banks of a river.rivergoingMade for, or used on rivers.riverheadsplural of riverheadrivermouthAlternative form of river mouth.riverplainThe alluvial plain of a river.riverscapeA landscape that features a river.riversidesplural of riversideriverwardsAlternative form of riverward.riverwaterAlternative form of river water.riverwomanA woman who lives or works on a river.rivetinglyIn a riveting manner.rixdollarsplural of rixdollarrizosphereMisspelling of rhizosphere.roachicide(US) A substance that kills cockroaches.roadblocksplural of roadblockroadbridgeAlternative spelling of road bridge.roadburnerA motor vehicle (car or motorcycle) designed for fast acceleration, high speeds, and good handling.roadhousesplural of roadhouseroadkilledKilled by a road vehicle (used of animals).roadmakingThe construction of roads.roadmasterOne who is in charge of a railroad track.roadmenderOne who repairs roads.roadrollerAlternative form of road roller.roadrunnerEither of two species of fast-running bird in the genus Geococcyx of the cuckoo family native to North and Central America, the lesser roadrunner (Geococcyx velox) and, especially, the greater roadrunner (Geococcyx californianus).roadshowedsimple past of roadshowroadsteadsplural of roadsteadroadtestedsimple past and past participle of roadtestroadworkerA worker who carries out road construction or maintenance.roadworthy(automotive, road transport) Being able to be driven, or suitable for driving, on the open road.roastinessThe quality of being roasty.roastinglyWith extreme heat.robatayakiA technique in Japanese cuisine where food is grilled over charcoal in front of the customer.robemakingThe manufacture of robes.robenidineA particular coccidiostat.robertsite(mineralogy) A monoclinic-prismatic mineral containing calcium, hydrogen, manganese, oxygen, and phosphorus.robocaller(Canada, US, derogatory) The party that initiates a robocall.robolawyerA computer system that dispenses legal advice.robolutionThe design and manufacture of revolutionary forms of robots.robophiliaLiking or favorable disposition toward robots and things associated with them.robophobia(Internet slang, otherwise rare) Fear and/or hatred of robots and/or of artificial intelligence.robophobic(Internet slang, otherwise rare) Having a fear or hatred of robots or of artificial intelligence.roboration(obsolete) The act of strengthening.roborativeGiving strength; invigorating.robosexualSexually attracted to robots.robotesqueCharacteristic of robots.roboticideThe killing of a robot.roboticiseAlternative spelling of roboticize.roboticismRobotic behaviour.roboticistOne who conceptualizes, designs, builds, programs, and experiments with robots.roboticizeTo convert into a robotic alternative.robotizingpresent participle and gerund of robotizerobotologyThe field of science and engineering that deals with the study of robots.robustnessThe quality of being robust.rocambolesplural of rocamboleroccellineAlternative form of roccellin.rochambeauAlternative form of roshambo.rockabilly(countable) A member of the subculture associated with rockabilly music.rockadelic(slang) Having the coolness or style of rock music or rock stars.rockallite(mineralogy) A relatively dark, iron-rich peralkaline granite forming part of the islet of Rockall.rocketeersplural of rocketeerrocketlessWithout rockets.rocketlikeResembling a rocket, especially in shape, speed or energyrocketpackAlternative spelling of rocket pack.rocketport(chiefly science fiction) A spaceport.rocketpunkA subgenre of speculative fiction based on space exploration.rocketshipA rocket-powered spacecraft.rockheadedExtremely, often stupidly stubbornrockhopperA rockhopper penguin (Eudyptes spp.).rockingest(nonstandard, informal) Most rocking.rockjumperAlternative form of rock-jumper.rockmelonsplural of rockmelonrockrunnerA bird of the species Achaetops pycnopygius, native to Angola and Namibia.rockshaftsplural of rockshaftrockslidesplural of rocksliderockspiderAlternative spelling of rock spider.rocksteady(music) A genre of Jamaican music somewhat slower than ska.rocktastic(informal) Fantastic or excellent in the context of rock music.rocktronicBlending elements of rock music and electronic music.rococonessThe quality of being rococo.rocovitineMisspelling of roscovitine.rocuronium(pharmacology) An aminosteroid nondepolarizing neuromuscular blocker used in anesthesia, to facilitate endotracheal intubation, and to provide skeletal muscle relaxation during surgery or mechanical ventilation.rodentlessWithout rodents.rodentlikeResembling or characteristic of a rodent.rodfishingangling with a fishing rodrodletlessLacking rodletsroedderite(mineralogy) A hexagonal-dihexagonal dipyramidal mineral containing iron, magnesium, oxygen, potassium, silicon, and sodium.roggenbrotRye bread made from sourdoughroggianite(mineralogy) A tetragonal-ditetragonal dipyramidal mineral containing aluminum, beryllium, calcium, hydrogen, oxygen, and silicon.rogitation(rare, uncountable) The act or process of rogitating.rohitukineA chromane alkaloid C₁₆H₁₉O₅N, found in Dysoxylum species.roisterersplural of roistererroisteringpresent participle and gerund of roisterroisterousLoud and disorderly; carousing.rokurokubi(Japanese mythology) A yōkai in the form of a person who can stretch their neck to great lengths.roleplayerA person who plays roleplaying games.rollaboard(aviation) A wheeled suitcase that is carry-on luggage.rollandite(mineralogy) A orthorhombic mineral containing astatine, hydrogen, oxygen, and copper.rollbackedsimple past and past participle of rollbackrollbackerSomeone or something which rolls back, or returns things to prior states.rollerballA kind of ballpoint pen with a spherical nib that uses water-based liquid or gelled ink.rollerdrum(biology) A rolling drum used to culture cellsrollergirl(informal) A woman who plays roller derby.rollerlessWithout a roller.rollickingpresent participle and gerund of rollickrollneckedSynonym of turtlenecked (“having, or wearing, a turtleneck”).rollockingpresent participle and gerund of rollockromancefulFull of romance.romanceletA little romance (story dealing with love).romancical(obsolete) Dealing with romance.romanesqueAlternative letter-case form of Romanesque.romanisingpresent participle and gerund of romaniseromanizingpresent participle and gerund of romanizeromanticalOf or pertaining to a romantic tendency or character.romanticlyArchaic form of romantically.romantopiaA fantasy world which serves as an ideal setting for romance as typically imagined by women.romantopicOf or relating to romantopia.romarchite(mineralogy) A tetragonal-ditetragonal dipyramidal black mineral containing oxygen and tin.rombowline(nautical) Old, condemned canvas, rope, etc., unfit for use except in chafing gear.romerogram(paleontology, uncommon) A cladogram that doubles as a spindle diagram.romidepsinAn anticancer agent obtained from the bacterium Chromobacterium violaceum.romifidineA veterinary sedative N-(2-bromo-6-fluorophenyl)-4,5-dihydro-1H-imidazol-2-aminerondeletiaAny of the genus Rondeletia of tropical rubiaceous shrubs.rondoletto(music) A simple rondo.rondorfite(mineralogy) An isometric-diploidal mineral containing aluminum, calcium, chlorine, hydrogen, iron, magnesium, oxygen, silicon, sodium, and titanium.rongorongoAn early glyphic writing system of Easter Island, written in reverse boustrophedon and as yet undeciphered.ronidazole(pharmacology) An antiprotozoal agent used in veterinary medicine for the treatment of histomoniasis and swine dysentery.ronnaliterOne octillion (10²⁷) liters.ronnalitreOne octillion (10²⁷) litres.ronnameterUS spelling of ronnametre.ronnametre(metrology) An SI unit of length equal to 10²⁷ metres. Symbol: Rmrontgenite(mineralogy) A mixed carbonate and fluoride of calcium and a lanthanide, typically cerium or lanthanumroofbolter(mining) A machine for installing roofbolts.roofgardenAlternative form of roof garden.rooflightsplural of rooflightrooftopper(slang) A person who takes selfies or videos with expansive and vertiginous urban views and cityscapes, usually, but not always, from locations restricted to the public.rookielikeCharacteristic of a rookie; amateurish, naive.roomkeeperA person employed by a hotel or similar establishment to clean, maintain and restock the rooms.roommately(very rare) Of or befitting a roommate.roosterishResembling or characteristic of a rooster.rootednessThe state or quality of being rootedrootlesslyIn a rootless manner.rootsinessThe quality of being rootsy.rootstalksplural of rootstalkrootstocksplural of rootstockropebridgeAlternative spelling of rope bridge.ropedancerAlternative form of rope dancer.ropeheaded(slang, derogatory) Dreadlocked.ropeladderAlternative form of rope ladder.ropemakingThe manufacture of rope.ropewalkerAn acrobat who performs a tightrope dance; a ropedancer.ropeworkerOne who carries out ropework.ropinirole(pharmacology) A particular dopamine agonist used in the treatment of Parkinson's disease.ropishnessThe state or quality of being ropish.roquelaireObsolete spelling of roquelaure.roquelaure(now archaic, historical) A lined and trimmed cloak that reaches to the knees, often with bright-coloured lining and trimmed with fur.roquinimexA quinoline-derived immunostimulant.roriferousProducing or generating dew.rorifluent(obsolete, poetic) flowing with dewrosanilineAn organic base, C₂₀H₁₉N₃, used to make the dye fuchsineroscherite(mineralogy) A triclinic-pinacoidal mineral containing beryllium, calcium, hydrogen, iron, manganese, oxygen, and phosphorus.roscoelite(mineralogy) A monoclinic-prismatic mineral containing aluminum, hydrogen, magnesium, oxygen, potassium, silicon, and vanadium.roscovitinAlternative form of roscovitine.roseaceous(botany, relational) Belonging or relating to the Roseaceae.rosefishesplural of rosefishrosegardenAlternative form of rose garden.rosehillerSynonym of rosella (“type of parrot”)rosemaling(US) A Norwegian style of stylized floral decoration with scrollwork and geometric elements.rosemallowAlternative spelling of rose mallow.rosemariedSeasoned or flavoured with rosemary.rosemariesplural of rosemaryroseophageAny virus that is parasitic to bacteria of the genus Roseobacterroseotoxin(organic chemistry) A toxic cyclodepsipeptide present in the fungus Trichothecium roseumrosepetalsplural of rosepetalrosetintedAlternative spelling of rose-tinted.roshagrassAlternative form of rosha grass.roshogollaAlternative form of rasgulla.rosickyite(mineralogy) A monoclinic-prismatic mineral containing sulfur.rosmarinic(organic chemistry) Relating to rosmarinic acid or its derivativesrossmanite(mineralogy) A trigonal-ditrigonal pyramidal mineral containing aluminum, boron, hydrogen, lithium, oxygen, and silicon.rossogollaAlternative form of rasgulla.rossomalaiAlternative form of ras malai.rostellate(botany) Having a rostellum, or small beak; terminating in a beak.rosterable(chiefly sports) Capable of being rostered, or included in a lineup.rostriform(archaic) Having the form of a beak.rotablator(surgery) A device used in rotablationrotamerize(chemistry) To convert into a rotamerrotateableAlternative spelling of rotatable.rotatinglySo as to rotate.rotationalOf, pertaining to or caused by rotation.rotativelyIn a rotative manner.rotativityThe quality of being rotative; ability to rotate.rotatorial(zoology) Of or relating to the Rotatoria.rotatorian(zoology) Any member of the Rotatoria.rotavapourAlternative form of rotavapor.rotavatingpresent participle and gerund of rotavaterotavationThe action, or the result, of rotavatingrotavatorsplural of rotavatorrotavirion(virology) An individual particle of a rotavirus.rotenolone(organic chemistry) The 12a-hydroxy derivative of rotenonerotiferousOf or relating to the rotifers.rotigotineThe dopamine agonist (S)-6-[propyl(2-thiophen-2-ylethyl)amino]-5,6,7,8- tetrahydronaphthalen-1-ol, used to treat Parkinson's disease and restless legs syndrome.rotisserieA cooking device with which food is roasted on a rotating spit.rotoartist(film, television, video, special effects) A person who creates masks for frames, to crop in and out backgrounds and objects, frame-by-frame in video and film, for rotoscoping.rotomation(art) Rotoscoping, especially when assisted by motion capture technology.rotomoldedmolded/moulded using rotational moldingrotorcraftAny aircraft that obtains its lift from rotors.rotoscoperOne who rotoscopes.rotoscopicOf or pertaining to the rotoscope form of animation.rototiller(US) a motorized cultivator having rotating bladesrotovatingpresent participle and gerund of rotovaterotoxamineThe maleic acid salt of the levorotatory isomer of carbinoxamine.rotozoomer(demoscene, computer graphics) An animated visual effect in which a bitmap is scaled and rotated.rottedness(rare) rottennessrottennessThe quality of being rotten.rottletrap(West Country, Dorset) RicketyrottweilerAlternative letter-case form of Rottweiler.rotundnessThe property of being rotund. fatness, largeness.roughdrawnpast participle of roughdrawroughdriedsimple past and past participle of roughdryrougheningpresent participle and gerund of roughenroughhewedsimple past and past participle of roughhewroughhouse(idiomatic) Of behavior, rowdy, boisterous, or fighting.roughishlyIn a roughish manner; somewhat roughly.roughnecksplural of roughneckroughriderA horsebreaker.roughscuff(US, informal) The lowest class of people; the rabble.roughstock(often attributive) Collectively, broncos; horses not fully broken that are likely to buck when ridden.roundaboutIndirect, circuitous, or circumlocutionary.roundelaysplural of roundelayroundeningpresent participle and gerund of roundenroundhandsplural of roundhandroundheadsplural of roundheadroundheelsplural of roundheelroundhouseA circular prison, especially a small local lockup or station house.roundishlyIn a roundish manner.roundsidedsimple past and past participle of roundsideroundstoneSmall stones used for paving.roundtableAlternative form of round table.roundtripsplural of roundtriproundwormsplural of roundwormrouseabout(Australia) Alternative form of roustabout.roustabout(intransitive) To work as a roustabout.routemarchAlternative form of route-march.routerlessWithout a router.routinizedsimple past and past participle of routinizeroutinizesthird-person singular simple present indicative of routinizerovibronic(physics) Describing a rotational sublevel of a vibrational level of an electronic state.rovingness(rare) A tendency to rove; a nomadic condition.rowabilityAbility to be rowed; property or degree of being rowable.rowanberryThe small spherical fruits of the rowan or European rowan (Sorbus aucuparia), a species of rowan (Sorbus subg. Sorbus), native to most of Europe except for the far south, and northern Asia; the fruits are bitter and inedible if uncooked, but may be used in the making of jellies and jams.rowboatfulEnough to fill a rowboat.rowdydowdy(dated) uproarious; boisterousrowdyishlyIn a rowdyish manner.rowlandite(mineralogy) A rare yttrium silicate mineral.roxadustat(organic chemistry, pharmacology) A drug used to treat anemiaroxatidine(pharmacology) A particular H₂ receptor antagonist.royalisticof or pertaining to royalism or royalistsroysteringpresent participle and gerund of roysterroysterousObsolete form of roisterous.rubberband(uncommon) Alternative form of rubber-band.rubberduckAlternative form of rubber duck.rubberhead(slang, derogatory) An employee of a theme park or similar attraction who wears a full-body costume.rubberiestsuperlative form of rubbery: most rubberyrubberisedsimple past and past participle of rubberiserubberizedsimple past and past participle of rubberizerubberizerOne who or that which rubberizes.rubberlessWithout rubber (the material).rubberlikeHaving the characteristics of rubber.rubberneckSomeone who engages in rubbernecking, or turning and staring.rubberwearFetishwear made of rubber.rubberwoodThe wood of the Pará rubber tree.rubbishingpresent participle and gerund of rubbishrubbleworkA form of masonry made of large stones loosely thrown together and then optionally grouted.rubedinous(obsolete, rare) reddishruberosideA particular steroid glycoside.rubiaceousOf or pertaining to the large and diverse family of flowering plants known as Rubiaceae.rubiconingpresent participle and gerund of rubiconrubidgeineAny extinct therapsid of the subfamily †Rubidgeinaerubiginose(botany, archaic) Having the appearance or colour of iron rust; rusty-looking.rubiginousAlternative form of rubiginose.rubiscolin(biochemistry) Any of a group of opioid peptides formed during digestion of the rubisco protein from spinach leaves.ruboxetineMisspelling of reboxetine.rubradirinAn ansamycin antibiotic present in some Streptomyces bacteriarubratoxinAny of a class of mycotoxins found in Penicillium rubrum.rubredoxin(biochemistry) Any of a class of iron-sulfur proteins found in some bacteriarubriblast(dated) A proerythroblast.rubricallyAccording to a rubric, or religious directions.rubricatedsimple past and past participle of rubricaterubricatesthird-person singular simple present indicative of rubricaterubricator(historical) The person who wrote the red titles and headings in a manuscript.rubromycinAny of a class of natural products isolated from actinomycetes and having various antimicrobial and enzyme activity.rubylation(biochemistry) Reaction with the protein "RUB" related to ubiquitinrubythroatAny of several species of birds, the males having a brilliant patch of metallic red on the throat.rudbeckiasplural of rudbeckiarudderfishAny of various not closely related fish that have the habit of following shipsrudderhead(nautical) The upper part of the rudderstock, to which a tiller is attached.rudderhole(nautical) The hole in the deck through which the rudderpost passes.rudderlessWithout a rudder.rudderlikeResembling or characteristic of a rudder.rudderpost(nautical) The rudderstockrudenessesplural of rudenessrudenkoite(mineralogy) A monoclinic white mineral containing aluminum, barium, calcium, chlorine, hydrogen, oxygen, silicon, and strontium.ruderalise(soil science, intransitive, very rare) To become ruderal.ruderationThe act of paving with small stones and mortar.rudimental(uncommon) Rudimentary.ruefulnessThe property of being rueful.rufescenceThe quality of being rufescent; reddishness.ruffianage(archaic) collectively, ruffians; a group of ruffians.ruffiandomThe state or condition of a ruffian.ruffianishHaving the qualities or manners of a ruffian.ruffianismThe behaviour of a ruffian; ruffians collectively.ruffianize(archaic, intransitive) To act like a ruffian.ruffianous(archaic) Like a ruffian.ruffleable(rare) Able to be ruffled.rufflelessHaving no ruffle.rufflementThe act of ruffling.rufflinessThe quality of being ruffly.rufinamide(pharmacology) A triazole derivative used as an anticonvulsantrufloxacin(pharmacology) The antibiotic 7-fluoro-6-(4-methylpiperazin-1-yl)-10-oxo-4-thia-1-azatricyclo[7.3.1.0^(5,13)]trideca-5(13),6,8,11-tetraene-11-carboxylic acid.rufousnessThe quality of being rufous or reddish.ruggedizedsimple past and past participle of ruggedizeruggednessThe state of being rugged, or degree to which something is rugged.rugosenessQuality of being rugose.ruinatious(US, dialect) ruinousrulelesslyWithout a rule or rules.rulemakingHaving the power to make rules.rulemonger(derogatory) A stickler for rules.rulershipsplural of rulershiprullichies(rare, obsolete, New York) Chopped meat stuffed into a tripe lining, then sliced and fried.rumblesomeCharacterised or marked by rumblingrumblinglyWith a rumbling sound; in a rumbling manner.rumbowlineAlternative form of rombowline.rumbullion(obsolete) Synonym of rum, an alcoholic beverage distilled from sugarcane, similar spirits.rumbustion(obsolete) Synonym of rum, an alcoholic beverage distilled from sugarcane, similar spirits.rumchunder(obsolete) fine Indian silkrumenotomysurgical incision into the rumen, or first stomach, of a ruminantrumfustianA hot alcoholic drink traditionally made from sherry, eggs, etc. and now made from rum and various spices.ruminantlyIn a ruminant manner; by ruminating, or chewing the cud.ruminatingpresent participle and gerund of ruminateruminationThe act of ruminating; i.e. chewing cud.ruminativeCausing rumination or prone to it; thoughtful.ruminatoryThat ruminate; relating to ruminationruminotypeAny of several distinct types of bacteria that inhabit the rumen of an animalrumorology(rare, slang) rumormongeringrumortrage(finance, colloquial) An increase in trading activity prompted by rumors of a takeover.rumouredlyAlternative spelling of rumoredly.rumourtismAlternative form of rumortism.rumplesome(chiefly dialectal) Characterised or marked by rumpling; tousled; disturbedrumpsteaksplural of rumpsteakrumrunnersplural of rumrunnerrumrunningillegal smuggling of rumrumspringa(US) A period of adolescence for some members of the Amish that begins around the age of 14–16 and ends when a youth chooses baptism within the Amish church or instead leaves the community.rumswizzleA kind of cloth made in Ireland from pure undyed wool.runaroundsplural of runaroundruncinated(mathematics) Generated or modified by a runcination.runecasterA person who uses runes for divinatory or esoteric purposes; one who practises runecasting.runemasterA runesmith; one skilled at carving and deciphering runes.runholding(Australia, New Zealand) The lease of a run, generally a sheep farm.runnerlessWithout runners.runologistOne who studies runology.runscoring(cricket) The scoring of runsrunthroughAlternative form of run-through.runwaylikeResembling or characteristic of a runway.rupatadine(pharmacology) A second-generation antihistamine used to treat allergies.rupestrianOccurring, or executed on rocks, or on cave wallsrupestrineGrowing on rocks or cliffs.rupicoline(zoology) Dwelling among the rocks.rupicolous(botany) Growing on or among rocks.ruplizumab(pharmacology) A humanized monoclonal antibody intended for the treatment of rheumatic diseases.rupophobiaThe fear of rubbish or dirt.rupophobicSuffering from rupophobia; having an irrational fear of dirt and rubbish.rupturableCapable of being ruptured.ruralisticExhibiting or relating to ruralism; characteristic of the countryside.ruralitiesplural of ruralityruricolist(rare, obsolete) A country dweller.rurigenous(obsolete) Born in the countryside.rusakovite(mineralogy) A monoclinic mineral containing aluminum, hydrogen, iron, oxygen, phosphorus, and vanadium.ruscaceous(botany, relational) Of or relating to the Ruscaceae.ruscogenin(organic chemistry) A chemical compound found in the rhizome of butcher's broom.rushaholic(informal) A person who is constantly in a hurry.rushbearerOne who takes part in a rushbearing.rushlightsplural of rushlightrussellite(mineralogy) An orthorhombic-pyramidal mineral containing bismuth, oxygen, and tungsten.russetlikeResembling or characteristic of a russet potato.russetnessQuality of being russet in colour.russettingpresent participle and gerund of russetrussoomdar(India, historical, rare) One who receives a russoom.rustbucket(slang) An old, neglected vehicle, usually a car, a freighter, or a truck.rusticallyIn a rustic manner.rusticatedConstructed so as to produce a jagged or heavily textured surface.rusticatorThe instigator or perpetrator of rustication.rusticnessThe quality of being rustic.rusticwareAlternative spelling of rustic ware.rustlinglyWith a rustling sound.ruthenious(archaic, chemistry) Pertaining to, or containing, rutheniumrutherfordAn obsolete unit of radioactivity (symbol: rd), defined as the activity of a quantity of radioactive material in which one million nuclei decay per second.ruthlesslyIn a ruthless manner; with cruelty; without pity or compassion.rutilationA reddening; a red glow.rutinoside(organic chemistry) Any glycoside of rutinose.rutinuloseA particular disaccharide.ryanotoxinA peptide having properties similar to that of ryanodine.rzehakinid(zoology) Any member of the Rzehakinidae family of foraminifera.
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