Other Ending Letters

All 571 Matching Words

raadeite(mineralogy) A colorless mineral, heptamagnesium diphosphate octahydroxy: Mg₇(PO₄)₂(OH)₈.rabatineAlternative form of rabato (“type of collar”).raceableAble to be raced; suitable for racing.racebike(motorcycling) A motorcycle designed for racingracelikeResembling or characteristic of a race.racemase(biochemistry) Any enzyme that catalyzes the stereochemical inversion of the configuration about an asymmetric carbon atom in a substrate having only one center of asymmetry.racemateA mixture which is racemic (“containing equal amounts of dextrorotatory and levorotatory stereoisomers and therefore not optically active”).racemiseAlternative form of racemize.racemize(chemistry, transitive) To convert (an enantiomer) into a racemic mixture.racemose(botany) Having flowers arranged along a single central axis, as in a raceme, spike, or catkin.racemule(botany, probably dated) A little raceme.racewideThroughout a race of people.rackableCapable of being mounted in a rack.racklikeResembling a rack.rackooneObsolete spelling of raccoon.rackware(computing) Low-cost software sold in shops, generally hung on display racks.racletteA firm cheese suitable for use in this dish.radiableTransparent to radiant energy, especially X-rays. Capable of being penetrated and examined by rays or waves.radianceThe quality or state of being radiant; shining, bright or splendid.radicate(transitive, rare) To cause to take root; to plant or establish firmly.radicose(botany) Having a large root.radonate(inorganic chemistry) Any oxyanion of radon; any salt containing such an anion.radulate(zoology) Having a radularadwasteRadioactive waste.raftable(of a body of water) Traversable by raft.raftlikeResembling or characteristic of a raft.raftmateOne who travels on the same raft.ragalikeResembling raga or some aspect of it.ragazine(rare, US) a cheaply produced magazineragelikeResembling or characteristic of rage.ragesome(rare) Full of rage; furious.raghouse(historical) Part of a paper mill in which the rags are prepared.ragstoneStone that is quarried in thin pieces.rahdareeA kind of local travel permit in India, Pakistan, or Afghanistan.raidableCapable of being raided.railbikeA form of bicycle designed to be ridden along a railway track.railfareAlternative form of rail fare.raillikeResembling or characteristic of a rail (the bird).railsideBeside a railway.raincapeA cape worn to protect the wearer from rain.raindateAn alternative date on which an event will be held if it rains on the originally scheduled date.rainlikeResembling rain.rainsome(chiefly archaic) Marked by rain or raininess; rainyraintreeAlternative form of rain tree.raisableCapable of being raised.rajanateAlternative form of rajahnate.rakeableCapable of being raked.rakelikeResembling or characteristic of a rake (gardening tool).rakuwareA form of Japanese pottery traditionally used in the tea ceremony, characterized by hand-moulding of the clay (as opposed to turning it on a potter's wheel), low firing temperatures, and the removal of pieces from the kiln while still glowing hot.rambooze(obsolete) A drink made from wine, ale (or milk), sugar, etc.rammableCapable of being rammed.rampable(engineering) Able to be ramped, or made to change value at a steady rate.rampaugeObsolete form of rampage.ramplikeResembling or characteristic of a ramp.ramuloseHaving many small branches, or ramuli.ranelateAny salt or ester of ranelic acid.ranforceObsolete form of reinforce.ranicideThe killing of a frog.ranivoreA frog-eater; a creature that eats frogs.rankableCapable of being ranked.rankwiseIn order of rankrapanone(organic chemistry) A benzoquinone chemical derivative with a thirteen carbon side chain and two hydroxyl groups, a natural product found in Myrsinaceae roots: 2,5-dihydroxy-3-tridecyl-1,4-benzoquinonerapeableAlternative spelling of rapable.rapecakeAlternative form of rape cake.rapelikeResembling rape (the plant).rapeugeeAlternative form of rapefugee.rappableThat can be rapped (rendered in the style of rap music).rapparee(Ireland, historical or archaic) A bandit or brigand.rareripe(agriculture) ripening early (said most commonly of peaches and onions)raresomeCharacterised or marked by rareness.rascasseScorpaena scrofa, the red scorpionfish.rascette(palmistry) The lines or wrinkles running across the wrist at the base of the palm.rashlikeResembling or characteristic of a rash.rasorite(mineralogy) kerniterasplikeResembling or characteristic of a rasp.rastrate(paleontology, zoology) rake-like or with parallel serrations.ratborneTransmitted by rats.rateableLiable to incur the payment of rates.rathouseAlternative form of rat house.rathripe(dialectal) Alternative form of rareripe.ratitateSynonym of ratite.ratsbaneRat poison; white arsenic.ratsicle(informal, humorous) A cold or frozen rat.ratsnakeAlternative form of rat snake.rattline(nautical) Alternative form of ratline.rauchite(mineralogy) A triclinic yellowish-green mineral containing astatine, hydrogen, nickel, uranium, and oxygen.ravatite(mineralogy) A monoclinic-sphenoidal mineral containing carbon and hydrogen.ravigoteA lightly acidic sauce in French cuisine, based on a vegetable or meat broth strongly seasoned with herbs.ravisheeOne who is ravished.razoxaneA particular chelating drug.reablate(medicine, surgery) To ablate again (as, for example, with repeated ablation of cardiac fibers for recurrent arrhythmias).reabrade(transitive) To abrade again.reaccedeTo accede again.reaccrueTo accrue again.reaccuse(transitive) To accuse again.reactiveThat reacts or responds to a stimulus.reactome(biochemistry) All the biochemical reactions that take place within a particular organismreadable(of handwriting, print, etc) Legible, possible to read or at least decipher.readduceTo adduce again.readhereTo adhere again.readvise(transitive) To advise again.reaerateTo aerate again or anew.reallegeTo allege again.reallifeAlternative form of real-life.reallude(intransitive) To allude again.realsome(rare) Characterised by realness; similar to or based on objective reality.realtimeAlternative form of real-time.reapableCapable of being reaped.rearouseTo arouse again.rearrive(intransitive) To arrive again.reaspireTo aspire again.reassumeTo resume, to carry on (a practice, thought, occupation etc.) again.reassure(transitive) To assure anew; to restore confidence to; to free from fear or self-doubt.reattire(transitive) To attire again.reattune(transitive) To attune again or anew.rebecamesimple past of rebecomerebecome(transitive) To become again.rebottle(transitive) To bottle again or anew.rebounce(rare, intransitive) To bounce back; to bounce anew.rebridge(transitive) To bridge again.rebronze(transitive) To bronze again.rebubble(intransitive) To bubble up again.rebuckle(transitive) To fasten again by means of a buckle.rebulite(mineralogy) A monoclinic-prismatic dark gray mineral containing antimony, arsenic, sulfur, and thallium.rebundle(transitive) To bundle again or differently.recalleeOne who is recalled, or faces recall.recentreAlternative form of recenter.rechangeAnother change; a subsequent change.recharge(transitive) To charge an electric battery after its power has been consumed.rechooseTo choose or select again, especially to an office or post.rechrome(transitive) To chrome again.recidiveSynonym of recidivous (“recurring”).recircle(ambitransitive) To circle again.recleaveTo cleave againreclothe(transitive) To clothe again or anew.recobble(transitive) To cobble again.recohereTo cohere again.recordeeOne who is recorded.recoupleTo couple or join againrecourseThe act of seeking assistance or advice.recrease(transitive) To crease again.recreate(transitive) To give new life, energy or encouragement (to); to refresh, enliven.redamageTo damage again.redargueTo disprove or refute (someone) in an argument.redazzle(transitive) To dazzle again or anew.redebate(transitive) To debate again.redecide(transitive) To decide again or anew.redecode(transitive) To decode again.redefine(transitive) To define again or differently.redelete(transitive, rare) To delete again.redemise(law) The transfer of an estate back to the person who demised it; reconveyance.rederive(mathematics, physics) To derive again, especially by using a different methodredeviseTo devise again.redevote(transitive) To devote again.redhorseAny of various ray-finned fish in the genus Moxostoma.redilateTo dilate again or furtherredivide(transitive, intransitive) To divide again.redoableCapable of being redone.redouble(transitive) To double, especially to double again; to increase considerably; to multiply; to intensify.redoxase(biochemistry) Any enzyme that catalyses a redox reactionredredge(transitive) To dredge again.redresseObsolete spelling of redress.redstone(Minecraft) A type of versatile material used to create electrical circuits and mechanisms.reedlikeResembling or characteristic of a reed.reedmaceA water plant, the cattail.reedpipeAlternative form of reed pipe.reefable(nautical) Of a sail: capable of being reefed.reeflikeResembling or characteristic of a reef.reeflineAlternative form of reef line.reefwideThroughout a reefreelableCapable of being wound onto a reel.reemerge(intransitive) To emerge again; to come into view after having hidden.reenableAlternative form of re-enable.reencodeAlternative spelling of re-encode.reengageAlternative spelling of re-engage.reengineTo put in a new engine.reescapeto escape again.reestate(obsolete) To reestablish.reevolve(transitive, intransitive) To evolve again.reexhumeTo exhume again.reexposeTo expose again.refettleTo fettle again.refiddleTo fiddle again.refigure(transitive) To figure again or anew.refikite(mineralogy) An orthorhombic-disphenoidal white mineral containing carbon, hydrogen, and oxygen.refixateTo fixate againreformeeOne who is the subject of a reform.refreeze(transitive, intransitive) To freeze again.refringe(transitive) To infringe.refundeeOne who receives a refund.regaline(obsolete, chemistry) Relating to aqua regia.regelate(intransitive) To undergo regelation.regicideThe killing of a king.registreObsolete form of register.regrease(transitive) To grease again.regroove(transitive) To recut the grooves of a pneumatic tyre.reguardeObsolete form of regard.regulateTo dictate policy.reguline(archaic, chemistry) Of or pertaining to regulus.reguliseAlternative form of regulize.regulizeTo make or become regular; regularize.regulome(biochemistry) The whole set of regulation components in a cell, tissue, organ, organism, and species, usually used in the context of a signal transduction.rehandle(transitive) To handle again.rehearse(transitive) To repeat, as what has been already said; to tell over again; to recite.reigniteTo ignite again.reignore(transitive) To ignore again.reillume(archaic, poetic, also figurative) To relight; to reilluminate.reimbibeTo imbibe againreimpose(transitive) To impose again, a further time.reinciseTo make another incision.reincite(transitive) To incite again.reinduce(transitive) To induce again or anew.reinetteAny of various kinds of apple, mostly of French origin, characterized by russeting.reinfuse(transitive) To infuse again.reinsure(transitive) To insure again (extending or replacing prior insurance).reinvadeTo invade again.reinvite(transitive) To invite again.reinvoke(transitive) To invoke again.reioniseAlternative spelling of reionize.reionizeTo convert back into ions.rejecteeA person who has been rejectedrejiggleTo rejig: to tweak or rearrange.rejuggle(transitive) To juggle again.rejumble(transitive) To jumble again.rekindle(transitive) To kindle again.relagateObsolete spelling of relegate.relativeConnected to or depending on something else; comparative.relaxase(biochemistry) A single-stranded DNA transesterase produced by some prokaryotes and viruses.relaxomeMisspelling of relaxosome.releasee(law) The party that is given a release.relegateExile, banish, remove, or send away.relesseerare spelling of releaseerelevate(transitive, obsolete) Raise (a person’s) spirits or lighten (his) mood; relieve (someone of a mental or emotional burden).reliableSuitable or fit to be relied on; worthy of dependence, reliance or trust; dependable, trustworthyrelianceThe act of relying (on or in someone or something); trust.religate(surgery) To ligate again.relocate(transitive) To move (something) from one place to another.relumine(archaic) To light or illuminate again; to rekindle.remaineeA person who remains, typically when most others leaveremandeeA person who is remandedremanureTo manure again.remarque(engraving) A small design etched on the margin of a plate and supposed to be removed after the earliest proofs have been taken.rembergeA kind of large war galley.remembreObsolete form of remember.remingleTo mingle again; to mix back inremipede(zoology) Any of several small, marine, cave-dwelling crustaceans, of the class Remipedia, characterized by a short head and a long trunk bearing setose swimming appendagesremitteeThe person to whom a remittance is sentremoladeArchaic form of remoulade.remorate(obsolete, rare) To hinder; to delay.remosome(biology) A nucleosome associated with the remodelling of chromatin.remuddleTo muddle something which had previously been made clear.renalase(biochemistry) An enzyme, released by the kidney, that breaks down adrenaline and related compoundsrenature(biochemistry) To reconstruct the original form of a protein or nucleic acid following denaturationrendibleAble to be rendered or yielded up.reneagueAlternative form of renege.renegadeAn outlaw or rebel.renegateObsolete form of renegade.renforceObsolete form of reinforce.rengeite(mineralogy) A monoclinic-prismatic dark greenish brown mineral containing calcium, lanthanum, cerium, praseodymium, neodymium, samarium, oxygen, silicon, strontium, titanium, and zirconium.renounce(card games) An act of renouncing.renovate(transitive) To renew; to revamp something to make it look new again.renoviseAlternative form of renovize.renovize(dated) To renovate or modernize.rentablesuitable for, or capable of being, rentedrenverse(heraldry, dated) Backwards, contourné, facing the opposite direction (sinister/dexter) than usual.reobligeTo oblige again; to once again place under an obligation.reopposeTo oppose again.reotropeAlternative form of rheotrope.reparate(obsolescent, rare) Restored to a state of good repair; returned to working order.reparteeA swift, witty reply, especially one that is amusing.repeddle(transitive) To peddle again or anew.repeopleTo repopulate.reperuse(transitive) To peruse again.rephrase(transitive) To say or write something with different wording.repickleTo pickle again.repierce(transitive) To pierce again.replaceeThat which is replaced.repledgeTo pledge again.replungeTo plunge again.reporteeOne who, or that which, is reportedreposure(archaic) rest; quietrepreeveObsolete form of reprieve.reprieve(transitive) To cancel or postpone the punishment of someone, especially an execution.repursueTo pursue again.requesteObsolete spelling of request.rerattleto rattle againrereduceTo reduce againrerefineTo refine again.reremake(rare) To remake again.rereviseTo revise again.rerotateTo rotate again.resaddleTo saddle again, to put a saddle back on (e.g. a horse).resalute(now rare) To salute again.resampleTo sample again; to repeat samplingrescheme(rare, ambitransitive) To replan.rescrape(transitive) To scrape again.rescribe(obsolete) To write back; to write in reply.resecure(transitive) To secure again.resedateTo sedate (apply sedative) againreseduceTo seduce again.resemble(transitive) To be like or similar to (something); to represent as similar.reserate(obsolete) To unlock; to open.reserveeSomeone for whom something is reserved.resettle(intransitive) To settle in a different place.reshelve(transitive) To shelve again; to place back on a shelf.resiance(obsolete) residence; aboderesigneeOne who resigns from employment.resinate(organic chemistry) Any salt of a resin acid.resiniseAlternative form of resinize.resiniteA form of amber occurring in coal seams.resinize(transitive) To treat with resin.resleeve(transitive) To replace in a sleeve, or fit a new sleeve to.resmudgeTo smudge again.resoluteFirm, unyielding, determined.resonateTo vibrate or sound, especially in response to another vibration.resootheTo soothe again.resourceSomething that one uses to achieve an objective, e.g. raw materials or personnel.resperse(obsolete) To sprinkle; to scatter.respliceTo splice again.responge(transitive) To sponge again.responseAn answer or reply, or something in the nature of an answer or reply.respuate(obsolete, rare) To refuse or reject.restable(transitive) To return (an animal) to its stable.restaple(transitive) To staple again or anew.restrikeThe striking again of a key, for example on a piano.restripeTo mark with stripes again or differently.restrive(intransitive) To strive again.restrokeAnother stroke; a repeat action of strokingrestrovesimple past of restriveresubdueTo subdue again.resupine(archaic) Lying on the back; supine.resutureA second or subsequent suture.retackleTo tackle again.retangleTo tangle again.retardee(dated, now offensive) A person with an intellectual disability.retepore(zoology) Any of several species of bryozoans of the genus Reteporella (syn. Retepora) or the family Reteporidae, that form delicate calcareous corals, usually composed of thin fenestrated fronds.rethrone(transitive) To throne again or anew.reticuleA reticle; a grid in the eyepiece of an instrument.retinene(biochemistry) Either of two carotenoid pigments found in the retina and produced from vitamin A; retinalretinite(mineralogy) Any of various resins, similar in appearance to amber, associated with brown coal.retirade(fortifications) A kind of retrenchment, as in the body of a bastion, which may be disputed inch by inch after the defenses are dismantled. It usually consists of two faces which make a reentering angle.retorque(transitive) To torque again or anew.retousle(transitive) To tousle again.retozideSynonym of isoniazid.retraiteObsolete form of retreat.retriage(transitive) To triage again.retrieve(transitive) To regain or get back something.retrocueA cue (signal) given after, or during an associated eventretrorse(biology) Curved, pointed or oriented backward or downward.retumble(transitive) To tumble again.returneeSomeone who comes back or returns, especially to their own country or region.reupdate(transitive) To update again.reuptake(biochemistry) Specifically, the reabsorption of a neurotransmitter by a neuron after the transmission of a neural impulse across a synapse.reusableAble to be used again; especially after salvaging or special treatment or processingrevacate(transitive) To vacate again.revancheRevenge or retaliation.revealeeone who is revealedreveille(military) The sounding of a bugle or drum early in the morning to awaken soldiers.revelate(obsolete) To reveal.revendgeObsolete spelling of revenge.reveneweObsolete form of revenue.reverize(obsolete, intransitive) To have a reverie; to daydream.revertee(law) One whose estate or land is reverted.revieweeOne who undergoes a review.revocateTo recall (troops, objects, etc)revoluteRolled or recurved on itself.revuetteA little revue.revvableWell suited to revving.rewardeeOne who is rewarded.reyerite(mineralogy) A trigonal-rhombohedral mineral containing aluminum, calcium, hydrogen, oxygen, potassium, silicon, and sodium.rhabdite(zoology) A minute smooth rod-like or fusiform structure found in the tissues of many Turbellaria.rhabdomeIn sponges, the shaft of a cladose rhabdus, bearing the cladome.rhamnose(biochemistry) A methyl-pentose, 6-deoxy-L-mannose, which occurs in the leaves and flowers of poison ivy and is a constituent of many plant glycosides.rhaphideAlternative form of raphide.rhapsodeOne who performs the poetry of a poet for an audience; not necessarily a writer of poetry.rheniite(mineralogy) A triclinic mineral containing sulphur and rhenium.rheobase(neuroscience) The minimum electric current amplitude that results in an action potential.rheomodeAn experimental form of language based on verbs.rheotomeAny instrument that interrupts an electric current.rhymableFor which a rhyme can be found.rhyolite(geology) An igneous, volcanic (extrusive) rock, of felsic composition, with aphanitic to porphyritic texture.ribbeite(mineralogy) An orthorhombic-dipyramidal pink mineral containing hydrogen, magnesium, manganese, oxygen, and silicon.ribobase(biochemistry) The nucleobase of a ribonucleotideribodeme(genetics) A group of organisms that share the same ribosomal genesribolyseTo homogenise in a ribolyserriboside(biochemistry) Any glycoside of riboseribosome(biology, cytology) A small organelle found in all cells; involved in the production of proteins by translating messenger RNA.ribotideSynonym of ribonucleotide.ribotype(biology) The RNA complement of a biological entityribozymeA fragment of RNA that can act as an enzyme.ribspare(rare, modern uses dialectal) Sparerib.ribulose(organic chemistry, biochemistry) a ketopentose whose phosphate derivatives participate in photosynthesisricelikeResembling rice or some aspect of it.richesse(countable, collective) A group of martens; the collective noun for martens.ricinine(organic chemistry) An alkaloid extracted from the seeds of the castor oil plant, chemical formula C₈H₈N₂O₂ricolite(mineralogy) A stratified ornamental stone, a form of serpentine.riddanceAn act of ridding, clearance, or removal; elimination.rideable(of a bicycle, horse, or the like) Fit to be ridden.ridicule(transitive) To criticize or disapprove of someone or something through scornful jocularity; to make fun of.ridstake(Northern England) a post in a cowshed for tethering cattlerifamide(pharmacology) Any amide of rifamycin.riffwise(music) In terms of riffsrigidiseAlternative form of rigidize.rigidize(ambitransitive, sometimes proscribed) Synonym of rigidify.rigoriseRare spelling of rigorize.rigorizeTo make rigorous; for example, to add further detail or elaborate on a proof or demonstration.rilesomeEasily aggravated; tending to get riled up.rilletteA dish of meat cooked in fat then shredded and served in a ramekin.riluzoleA drug used to treat amyotrophic lateral sclerosis.rimstoneA secondary mineral deposit, with a stone-wall-like appearance made up of calcite and other minerals, that builds up to create cave pools.rimuloseminutely rimose; having small cracks or crevicesringableSuitable for ringing; capable of being rung.ringboneA type of osteoarthritis affecting any of several bones (particularly the coffin joint or pastern) of a horse's leg or foot, marked by bone growth.ringdovethe wood pigeonringette(sports) A team sport played on ice on skates and primarily by women, the players using sticks to control a rubber ring and attempting to score goals by landing it in the opponents' net.ringhole(physics, astronomy) A relatively short, toroidal wormholeringlikeLike a ring; round or nearly so.ringsideBeside the ring, especially a boxing ring.ringtoneThe sound made by a telephone when ringing.ringwiseLaid out or moving in a ring.rinksideThe side of an ice rink, where spectators can sit.rinneite(mineralogy) An evaporite, consisting of mixed potassium, sodium and ferrous chloride, K₃NaFe²⁺Cl₆.rinpoche(Tibetan Buddhism) A title warranting great respect, prefixed to the names of Tibetan Buddhists.rinsableAlternative form of rinseable.rinsibleAlternative form of rinseable.rippableCapable of being ripped (in various senses).riseableMisspelling of risible.risetimeThe time taken for a wave to rise from the baseline to the peakriskableAble to be risked.riskfree(especially in finance) Free from risk; safe.risksomeSynonym of risky.riskware(computing, rare) Software that may pose a risk to a computer on which it is installed.rivaliseAlternative form of rivalize.riverageA fee charged for transporting goods on a river.riverineOf or pertaining to rivers, or located on or by a river; inhabiting a river or its surrounds.rivulineA killifish of the family Nothobranchiidae (African rivulines) or Aplocheilidae (Asian rivulines).rivuloseMarked by thin, winding or crooked lines.roadable(of an aircraft) Capable of travelling on roads as well as in the air.roadbaseThe layer of aggregates under the paved layer of a road.roadlikeResembling or characteristic of a road.roadside(noun modifier) Located beside a road (or railway).roadwiseAccustomed to travel on roads.roaldite(mineralogy) An isometric-hextetrahedral tin white mineral containing iron, nickel, and nitrogen.roamableSuitable for roaming around in.roarsomeCharacterised or marked by roaring.robbableThat can be robbed; susceptible to robbery.robelikeResembling or characteristic of a robe (item of clothing).robibyte(computing) Strictly, 2⁹⁰ (1024⁹, 1,237,940,039,285,380,274,899,124,224) bytes or 2¹⁰ (1024) yobibytes, as opposed to a ronnabyte.robinose(organic chemistry) A disaccharide composed of 6″-O-α-rhamnopyranosyl-β-galactopyranoside; the sugar moiety of robinin.robocideSynonym of roboticide.roborate(obsolete) to strengthen, fortifyrobotiseNon-Oxford British English standard spelling of robotize.robotize(transitive) To give something (or someone) the characteristics of a robot.roburiteAn explosive formerly used in mining, made from chlorinated dinitrobenzene oxidized by ammonium nitrate.rocailleArtificial rockwork made of rough stones and cement, as for gardens.rockableAble to rock back and forth.rockabye(ambitransitive) To rock soothingly.rockaire(astronautics, aviation, dated) An air-launched rocketrockfaceAlternative form of rock face.rockhole(Australia) A natural watering hole in the rock; a gnamma.rocklikeResembling a rock.rockpileA pile of rocks.rockroseAny of various plants in the family Cistaceae.roestone(mineralogy) oolite, or a variation of itrogitate(ambitransitive) To ask a question repeatedly.roilsomeMarked by roiling or agitation; turbidrolamiteA simple machine consisting of a stressed metal band and counter-rotating rollers within an enclosure, used in low-friction bearings etc.rollableCapable of rolling or being rolled.rollcageAlternative form of roll cage.rolliche(archaic) A kind of sausage, made in a bag of tripe, sliced and fried, famous among the Dutch of New Amsterdam.romaniseAlternative spelling of romanize.romanize(transitive) To put letters or words written in another writing system into the Latin (Roman) alphabet.romaunceObsolete form of romance.rondacheA circular shield carried by foot soldiers.rondelleA small circular object.rooflikeResembling or characteristic of a roof.rooflineThe profile of a roof or a series of roofs.rooftileAlternative form of roof tile.rooftreeThe primary beam of a roof; the ridgepole; hence, the roof itself.rooklikeResembling or characteristic of a rook.roomette(rail transport, US) A small private compartment, for one person, in a railroad sleeping car.roomlikeResembling a room.roommateA person with whom one shares a room, as in a dormitory, barracks, rooming house, or apartment.roomsome(archaic) Characterised or marked by room or roominess; spacious.roomwiseIn terms of rooms.rootableThat can be rooted.rootholeA hole in the ground formed by the growth of plant roots.rootlikeResembling a root or roots (of a plant), or some aspect of them.rootzoneAlternative form of root zoneropeableAble to be roped and so restrained.ropelikeResembling rope.ropelineA line of rope with the purpose of moving people or goods from one location to another.roperipe(obsolete) Alternative form of rope-ripe.roquetteA herb of the mustard family (Eruca sativa), with pungently flavored leaves often eaten in salads.rorisite(mineralogy) A tetragonal-ditetragonal dipyramidal colorless mineral containing calcium, chlorine, fluorine, and magnesium.rosalineA type of needlepoint.rosamine(organic chemistry) Any of a class of fluorone dyes related to rhodamine but lacking a carboxylic acid group on the attached benzene ringrosasite(mineralogy) A monoclinic-prismatic mineral containing carbon, copper, hydrogen, oxygen, and zinc.roselikeResembling or characteristic of a rose (plant or flower).roselite(mineralogy) A monoclinic-prismatic mineral containing arsenic, calcium, cobalt, hydrogen, magnesium, and oxygen.rosiaite(mineralogy) A trigonal-hexagonal scalenohedral mineral containing antimony, lead, and oxygen.rosolite(mineralogy) A rose pink variety of grossular; rose garnet.rostrateHaving a process resembling the beak of a bird; beaked; rostellate.rosulate(botany, of leaves and bracts) Arranged in small rose-like clusters.rotalite(paleontology, archaic) Any fossil foraminifer of the family Rotaliidae, abundant in chalk formations.rotativeTurning; rotary; rotational.rotavapeAlternative form of rotovap.rotavateTo till the soil using a rotavatorrotaxane(physical chemistry) A complex of two molecules, one ring-shaped and the other dumbbell-shaped, with the dumbbell threaded through the ring and having end groups too large to pass through the ring.rotelikeLike a rote, repetitious.rotenone(chemistry) A toxic crystalline substance obtained from the roots of derris and related plants, widely used as an insecticide.rotodomeA rotating radome.rotodyne(aviation) An aircraft that has both wings and rotorsrotovapeAlternative form of rotovap.rotovateAlternative form of rotavate.rottableCapable of rotting; biodegradable.roughage(agriculture) Coarse or rough plant material such as hay and silage used as animal fodder.roulette(countable) A small toothed wheel used by engravers to roll over a plate in order to produce rows of dots.roundeye(derogatory, ethnic slur) A Westerner (from the purported point of view of an Asian or other person with naturally narrower eyes).roundure(obsolete) roundnessrousableCapable of being roused.rouseite(mineralogy) A triclinic yellow orange mineral containing arsenic, hydrogen, lead, manganese, and oxygen.rousetteAny of a number of species of fruit bat, of the genus Rousettus.routable(chiefly computing) Able to be routed.rowhouse(especially US) One of a row of houses situated side by side and sharing a common wall.roxbyite(mineralogy) A monoclinic-prismatic bluish black mineral containing copper and sulfur.royaliseAlternative form of royalize.royalize(transitive) To make royal or royalist.rozenite(mineralogy) An iron sulphide mineral with chemical formula FeSO₄·4H₂O.ruarsite(mineralogy) A monoclinic-prismatic grayish white mineral containing arsenic, ruthenium, and sulfur.rubbidgeObsolete form of rubbish.rubblizeTo turn into rubble.rubelikeResembling or characteristic of a rube (unsophisticated person or yokel).rubicene(organic chemistry) A particular polycyclic aromatic hydrocarbonrubicose(rare) reddish, ruddy, inflamedrubidide(chemistry) An alkalide with rubidium as the anion.rubidine(organic chemistry) A nitrogenous base homologous with pyridine, obtained from coal tar as an oily liquid, C₁₁H₁₇N.rubstonea whetstone (stone for scouring or rubbing).rubylateTo cause or to undergo rubylation.rubylikeResembling or characteristic of a ruby.rudesome(rare) Characterised or marked by rudenessrudstoneA calcareous rock consisting of coarse limestones supported by grains larger than two millimetres.ruffable(card games) Able to be ruffed.rufflikeResembling or characteristic of a ruff.ruguloseHaving small or fine-grained wrinkles.ruinableCapable of being ruined.ruinlikeResembling or characteristic of a ruin.ruleableAlternative form of rulable.rumboozeAlternative form of rambooze.ruminate(intransitive) To chew cud. (Said of ruminants.) Involves regurgitating partially digested food from the rumen.runagateA deserter, renegade or apostate.runchaseAlternative form of run chase.runcible(humorous) A nonce word used for humorous effect.runelikeResembling a rune.runelore(fantasy, paganism) The study of runes, typically for magical or religious purposes.runnable(computing) Capable of being run.runridgeAlternative form of runrig.ruraliseAlternative spelling of ruralize.ruraliteA person who lives in the country.ruralize(transitive) To make rural; to give a rural character to (something or someone).rushlikeResembling a rush (the plant).rustableSusceptible to rust.rustickeObsolete form of rustic.rusticleAn icicle-shaped rust formation, formed on shipwrecks etc. by underwater microbes that consume iron.rustiqueArchaic form of rustic.rustlikeResembling or characteristic of rust.ruteline(zoology) Belonging to the Rutelinae, a subfamily of scarab beetles.rutilate(obsolete) To shine; to emit rays of light.rutinose(biochemistry) A disaccharide, consisting of rhamnose and glucose, derived from rutin.rutylene(chemistry) A liquid hydrocarbon, C₁₀H₁₈, of the acetylene series.ruvosideA particular steroid glycoside.