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All 388 Matching Words

oasislikeResembling or characteristic of an oasis.oasthouseAlternative spelling of oast house.obacunone(organic chemistry) A natural compound present in citrus fruits that has antiinflammatory and anticancer propertiesobclavateInversely clavate; thicker at the base.obcordate(botany, of a leaf) Of a reversed cordate shape; heart-shaped but attached to the stalk by the pointed end.obdeltate(botany) In the shape of an equilateral triangle with the apex at the base.obdurancehardness; stubbornnessobedienceThe quality of being obedient.obeisanceDemonstration of an obedient attitude, especially by bowing deeply; a deep bow which demonstrates such an attitude.obfuscateTo make dark; to overshadow.obidoximeAn oxime used to treat nerve gas poisoning.objectiveOf or relating to a material object, actual existence or reality.objectizeTo turn into, or treat as, an object; to objectify.objurgate(transitive) To rebuke or scold strongly.oblectate(obsolete, rare) To delight; to please greatly.obligableAcknowledging, or complying with, obligation; trustworthy.obligatee(government) A person who is obligated by law to do somethingobliviate(transitive) To forget; to wipe from existence.oblongateSynonym of oblong.oboyerite(mineralogy) A triclinic mineral containing hydrogen, lead, oxygen, and tellurium.obscurate(transitive) To obscure.obsecrate(transitive) To beseech; to supplicate; to implore.obsessiveProne to cause obsession.obsignate(obsolete) To seal or ratify.obsolesceTo become obsolete.obstinateStubbornly adhering to an opinion, purpose, or course, usually with implied unreasonableness; persistent.obstipate(medicine) To induce severe constipation through an intestinal blockageobtenance(rare) the act of obtaining somethingobtrusiveOf a person: overly assertive, bold, or domineering; pushy; also, ostentatious.obturacleAlternative form of obturaculum.obumbrate(zoology, rare) Lying under some projecting part, like the abdomen of certain spiders.obvallate(obsolete, rare) To surround with, or as with, a wall.obviative(linguistics) Relating to such a referent or grammatical marker.occerenceMisspelling of occurrence.occlusiveThat tends to occlude.occultate(transitive) To make occult or hidden.occultiveRelated to or involving the occult or secret knowledge.occultureThe appropriation by a subculture of occult themes (New Age, etc.) in opposition to the dominant culture.occupableAlternative form of occupiable.occurableCapable of happening.occuranceMisspelling of occurrence.occurenceMisspelling of occurrence.oceanlikeRelating to an ocean in vastness or composition.oceansideLocated on the coast of an ocean.oceanwideSpanning the whole oceanoceanwise(rare) Towards or along an ocean.octacaine(pharmacology) An anesthetic drug.octadiene(organic chemistry) Any of several isomeric dienes having eight carbon atomsoctalogueA series of eight statements.octanoate(organic chemistry) Any salt or ester of octanoic acid.octaoxide(inorganic chemistry) Alternative form of octoxide.octastyle(architecture) Having eight columns in the front row (of a portico etc.)octaviate(music, rare) To octavate.octeocyteMisspelling of osteocyte.octodrine(pharmacology) A particular kind of stimulant drug.octophone(music) A modern stringed instrument intended to be able to play the tone combinations of the tenor guitar, tenor banjo, ukulele, taro-patch fiddle, tiple, mandolin, mandola and mandocello.octospore(biology) A carpospore (one of eight) produced by red algae of the family Bangiaceaeoctostyle(architecture) A temple or portico with eight columns in front.odalisque(art) An erotic painting of a woman, usually nude, reclining in a luxurious or exotic setting.odobenineOf, or pertaining to, a walrus.odorative(not comparable) Relating to the sense of smell.odorosideA particular steroid glycoside.odorscapeAlternative form of odourscape.odoursomeAlternative form of odorsome.odourtypeAlternative form of odortype.odycoloneEye dialect spelling of eau de Cologne.oenaphileMisspelling of oenophile.oenologue(rare) An oenologist.oenophileA person who has a fondness or appreciation for wine.oestruateTo be in heat (state of sexual receptivity).offchanceAlternative form of off chance.offenciveObsolete form of offensive.offensiveCausing offense; arousing a visceral reaction of disgust, anger, hatred, sadness, or indignation.offerableCapable of being offeredofferture(obsolete) offer; proposalofficiate(intransitive, transitive) To perform the functions of some office.offretite(mineralogy) A hexagonal prismatic form of zeoliteoffsaddle(transitive, chiefly South Africa) To unsaddle; remove the saddle from.offuscateObsolete form of obfuscate.oftentide(obsolete) Often; frequently.oftentime(chiefly US, uncommon) (elsewhere, archaic) Synonym of oftentimes.ogglesomeAwesome; dreadful.ohnologue(genetics) One of a pair of paralogous sequences that result from complete genome duplication.oichomage(sumo) The elaborate hairstyle, resembling a gingko leaf, worn by sekitori during bouts and on ceremonial occasions.oikophobeOne who suffers from oikophobia, especially one who identifies with a global group rather than feelings of patriotism or chauvinism.ojuelaite(mineralogy) A monoclinic-prismatic greenish yellow mineral containing arsenic, hydrogen, iron, oxygen, and zinc.okurigake(sumo) A kimarite in which the attacker hooks his legs behind one of his opponent's and pulls it towards himself from behind, toppling his opponent forward.okurinage(sumo) A kimarite in which the attacker circles behind his opponent and throws him forward or to the side and down.oldhamite(mineralogy) The mineral form of calcium sulphide.oleoptene(chemistry) Alternative form of elaeoptene.olfactiveOf or pertaining to the sense of smell; olfactoryolfactome(biology) All the olfactory compounds used by a particular organismoligoconeHaving a reduced number of functioning cone cells.oligogene(genetics) One of a few genes that, together, control a specific traitoligolegeA pollinator exhibiting oligolecty.oligosomeA nucleosome oligomeroligotype(genetics, taxonomy) A distinct taxon whose separate identity is derived from a string of genetic bases rather than from morphological differencesolivacineA particular antimalarial alkaloid.olivelikeResembling or characteristic of an olive.olivenite(mineralogy) An orthorhombic copper arsenate mineral with the chemical formula Cu₂AsO₄OH.olivinite(mineralogy) duniteolprinone(pharmacology) A particular kind of cardiotonic agent.ombrotypeA type of climate that has a certain amount of rainfallomegasomeA cup-shaped protrusion from the endoplasmic reticulum that serves as a platform for autophagosome biogenesis in mammalian cells.omethoateA systemic organophosphorous insecticide and acaricide used in horticulture and agriculture.ominelite(mineralogy) An orthorhombic-dipyramidal blue mineral containing aluminum, boron, iron, magnesium, oxygen, and silicon.omissibleAble to be omitted.omittableSynonym of omissible.omittanceThe act of omitting something; omission.omnipauseA type of neuron that has a role in the stability of the saccadic systemomnirange(aviation, chiefly attributive) A short-range radio navigation system for aircraft, based on a network of fixed radio beacons on the ground.omniverse(science fiction) The entire set of co-existing universes, multiverses, etc.omphacine(obsolete) Made from unripe olives.omphacite(mineralogy) Any of a range of green, monoclinic pyroxene minerals found in eclogites and similar rocks; they are solid solutions of jadeite and diopside.omphalode(botany, obsolete) The central part of the hilum of a seed, through which the nutrient vessels pass into the raphe or chalaza.omuralideA transformation product of lactacystin.oncomouseA type of laboratory mouse that has been genetically modified to carry an activated oncogene, increasing its susceptibility to cancer.ondioline(music) An early type of synthesizerondoscope(physics) An instrument that detects (and visualizes) the presence of high-frequency radiationoneillite(mineralogy) A trigonal-pyramidal yellowish brown mineral containing calcium, chlorine, hydrogen, iron, manganese, niobium, oxygen, silicon, sodium, and zirconium.onionlikeResembling or characteristic of an onion, for example in shape, flavour, or layered structure.onomatope(linguistics) A word formed by onomatopoeia or mimesis.oostegite(zoology) One of the plates which, in some crustaceans, enclose a cavity in which the eggs are hatched.opalesqueSimilar to opal; having some of the qualities of opal.opalotype(historical, photography) A photograph taken on opalescent glass.operalikeResembling or characteristic of opera.operatiseAlternative form of operatize.operativeEffectual or important.operatize(transitive) To convert into operatic form.operidine(pharmacology) The opioid analgesic drug pethidine.ophiolite(geology) An assemblage of mafic and ultramafic rock fragments of the ocean lithosphere that has been tectonically moved onto a continental margin or island.opicaponeA drug for the treatment of Parkinson's disease.opinativeConjectural; expressing an opinion rather than a fact.opiniatreObsolete form of opiniaster.opiophileA person who enjoys taking opium.opiumlikeResembling or characteristic of opium.opportuneSuitable for some particular purpose.opposableSusceptible to being opposed or resisted.oppresseeA victim of oppression.opprobrieObsolete spelling of opprobry.oprodioneA particular fungicide.optocoele(anatomy) The cavity of one of the optic lobes of the brain in many animals.optophoneA device that transforms light into sound.orangeadeA soft drink or a soda with an orange flavor.orangeite(mineralogy) A kind of kimberlite with phlogopite macrocrysts and microphenocrysts.orangerieAlternative form of orangery.oratorize(humorous or derogatory) To play the orator.orazamideA synthetic hepatoprotective drug.orbispace(mathematics) A topological space or generalization of an orbifold.orchestreObsolete form of orchestra.orderableThat may be ordered (obtained by placing an order).ordertypeAlternative form of order type.ordinable(obsolete) ordainable.ordinaireWine for ordinary use.ordinance(US) A local law, passed by e.g. a city.oregonite(mineralogy) A hexagonal nickel iron arsenide mineral.orestrate(pharmacology) A synthetic steroidal estrogen, the 3-propanoyl, 17-(1-cyclohexenyl) ether of estradiol.organelle(cytology) A specialized structure found inside cells that carries out a specific life process (e.g. ribosomes, vacuoles).organetteAn early mechanical accordion that played music encoded on rolls of perforated paper.organlike(biology) Having characteristics of an organ.organwide(biology) Throughout an organ.organzine(archaic) A kind of double thrown silk of very fine texture; silk twisted like a rope with different strands, so as to increase its strength.oricalcheObsolete form of orichalchum.orientate(UK, Ireland, Commonwealth, intransitive) To face a given direction.orientite(mineralogy) An orthorhombic-dipyramidal mineral containing calcium, hydrogen, manganese, oxygen, and silicon.oriflamme(figuratively) Any banner, idea or principle which serves as a rallying point for those involved in a struggle.originate(intransitive) To come into existence; to have origin or beginning; to spring, be derived (from, with).oripavine(organic chemistry) An opiate alkaloid 6,7,8,14-tetradehydro-4,5α-epoxy-6-methoxy-17-methylmorphinan-3-ol that is a metabolite of thebaineornithine(biochemistry, organic chemistry) An amino acid, 2,5-diaminopentanoic acid, that is not present in protein, but is an intermediate in the biosynthesis of urea.oroselone(organic chemistry) The furanocoumarin 8-prop-1-en-2-ylfuro[2,3-h]chromen-2-one present in angelicaorosphereA clump of oral cancer cellsorotidine(biochemistry) A nucleoside formed by reaction of orotic acid with riboseorotomideAny of a particular class of antifungal agentsorphalineObsolete form of orpheline.orphanageA residential institution for the care and protection of orphans.orphaniseNon-Oxford British English standard spelling of orphanize.orphanize(transitive, archaic) To orphan.orpheline(obsolete) An orphan.orsellate(organic chemistry) Any salt or ester of orsellic acid.ortaniqueA cross between an orange and a tangerine.orthenineA particular steroid glycoside.orthocone(malacology) A long straight shell of a nautiloid cephalopod.orthodome(crystallography) A dome that is parallel to the orthodiagonal in a monoclinic crystal.orthomode(physics, attributive) describing a transducer that use two orthogonally polarized microwave beamsorthotone(grammar) An orthotone form.orthotope(geometry) The generalization of a rectangle for higher dimensions, formally defined as the Cartesian product of intervals.orthotype(taxonomy) The original published name for a group of genetically related organisms.ortologueMisspelling of orthologue.osaterone(pharmacology) A particular antiandrogen.osbornite(mineralogy) A golden yellow mineral containing nitrogen and titanium.oscillate(intransitive) To swing back and forth, especially if with a regular rhythm.osculance(Bantu linguistics) The state of being osculant.osierlikeResembling or characteristic of an osier.osmiamate(obsolete, chemistry) A salt of osmiamic acid.osmophile(biology) Any organism that is adapted to living in aqueous environments with high solute concentrations (salt, sugar, alcohol), and resisting internal desiccation caused by the osmotic transport of water outside of their cellsosmophore(chemistry) An osmophoric grouping of atoms in a moleculeosmoscopeAn instrument for detecting and for measuring odors.osmundine(botany) The roots of ferns of the genus Osmunda, used in growing orchids etc.ossifrage(British) The osprey.ostensiveApparently true, but not necessarily; ostensibleostentate(transitive, rare) To make an ambitious display of; to exhibit or show boastingly.ostentive(linguistics) Used to indicate or draw attention to something specific.osteocope(medicine, archaic) pain in the bonesosteocyte(cytology) A mature bone cell involved with the maintenance of bone.osteokine(biochemistry) A form of cytokine produced in bone cells.osteolite(mineralogy) A massive impure apatite, or calcium phosphate.osteotomeA medical tool used for cutting or marking bone, used in dental implantation.ostiolateHaving an ostiole.ostraciseNon-Oxford British English standard spelling of ostracize.ostracite(paleontology, archaic) A fossil oyster.ostracize(transitive, Ancient Greece, historical) To ban a person from a city for five or ten years through the procedure of ostracism.ostracodeAlternative form of ostracod.ostrasizeMisspelling of ostracize.ostricizeMisspelling of ostracize.ostrisizeMisspelling of ostracize.osumiliteA hexagonal mineral with the chemical formula (K,Na)(Mg,Fe⁺²)₂(Al,Fe)₃(Si,Al)₁₂O₃₀·H₂O.otherable(rare) Capable of being othered.othersome(now dialectal or poetic) Some others.otherwise(manner) Differently, in another way.otherwizeMisspelling of otherwise.otoconite(anatomy) A mass of otoliths.otonecine(organic chemistry) A pyrrolizidine alkaloid.otosenine(organic chemistry) An alkaloid found in ragwort (Jacobaea vulgaris, syn. Senecio jacobaea).otosphereA spherical collection of cochlear epithelial cellsotterlikeResembling or characteristic of an otter (animal).ottermode(slang, bodybuilding, often attributive) A lean and physically-fit physique with well-defined muscles.ottrelite(mineralogy) A form of the mineral chloritoid.oublietteA dungeon only accessible by a trapdoor at the top.oursinite(mineralogy) An orthorhombic pale yellow mineral containing cobalt, hydrogen, magnesium, oxygen, silicon, and uranium.outbabbleTo babble excessively.outbattle(transitive) To overcome in battle.outbustle(transitive) To surpass in bustling; to be more busily energetic than.outcharge(transitive, sports) To surpass in charging, or moving forcefully forward.outcouple(physics) To remove the coupling between two interacting beams of laser lightoutdazzle(transitive) To surpass by dazzling more than; to outshine.outdebate(transitive) To surpass in debating.outdegree(graph theory) The number of edges directed out of a vertex in a directed graph.outendure(transitive) To endure beyond; to outlast.outerside(dated) An outward side; outside surface.outfigure(transitive) To outthink.outfumble(transitive) To surpass in fumbling.outgabble(transitive) To surpass in gabbling or chattering.outgamble(transitive) To surpass in gambling; to gamble more or better than.outhandle(transitive) To surpass in handling.outhustle(US) To do a better job of hustling thanoutjuggle(transitive) To surpass in juggling; to juggle more or better than.outlustre(poetic, transitive) To surpass in brightness or lustre; to outshine.outmanage(transitive) To surpass in management; to manage better than.outmuscle(transitive) To surpass in a contest involving strength.outplaceeAn employee who is outplaced.outplease(transitive) To surpass in pleasing.outpraise(transitive) To surpass in praising.outpsycheAlternative form of outpsych.outscheme(transitive) To surpass in scheming.outscrape(intransitive, Scotland, obsolete) To escapeoutsource(chiefly US, business, management, transitive) To transfer the management or day-to-day execution of a business function to a third-party service provider.outstable(rail transport, transitive) To park (a rail vehicle) in a station, siding or other location away from the (main) depot.outstride(transitive) To surpass in striding, to stride faster or longer.outstrike(transitive) To strike faster or harder than.outstrodesimple past of outstrideoutstrokeAn outward stroke; specifically, in a steam engine or other engine, a stroke in which the piston is moving toward the crankshaft.outtackle(transitive, sports) To surpass in tackling.outtongue(transitive) To make more noise than, especially in speaking.outvoyage(transitive) To voyage further or longer than.outwarble(transitive) To surpass in warbling; to outsing.ouverture(music) Uncommon form of overture.ovamboite(mineralogy) An isometric-hextetrahedral gray mineral containing arsenic, copper, gallium, germanium, iron, molybdenum, sulfur, tin, tungsten, vanadium, and zinc.overabuseExcessive abuse.overargue(ambitransitive) To argue excessively.overbatheTo bathe excessively.overblame(transitive) To blame excessively.overbornesimple past and past participle of overbearoverbrake(ambitransitive) To brake (a vehicle) excessively; to apply the brake too much.overbraveExcessively brave.overbribe(transitive) To give too large a bribe to.overbrokesimple past of overbreakovercarve(transitive) To carve too much or too deeply.overcloseIn too great a proximity.overdenseExcessively dense; especially more dense than is necessary to form a galaxy.overdrape(transitive) To drape (something) over something else.overdrive(transitive) To drive too hard, or far, or beyond strength.overdrovesimple past of overdriveoveremoteTo display emotion excessive for the situation.overforceExcessive force; violence.overglazeThe outer layer or coat of glaze on a piece of potteryovergorgeTo gorge to excess.overgraceTo grace excessively.overgrade(bridge-building) Having the truss above the roadway.overgraze(transitive) to graze land excessively, to the detriment of the land and its vegetationoverhasteExcessive, often undue haste.overheave(intransitive, obsolete) To overcast.overhouseStretched along the roofs of buildings, rather than on poles or underground.overissue(transitive) To issue too much or too many of.overjudge(transitive) To judge excessively or too harshly.overlargeExcessively large; too big; oversize.overleave(transitive) To leave (something) over; cause to remain or be left.overnoise(obsolete, rare, transitive) To overpower with noise.overnurseTo nurse excessively.overobeseExcessively obese.overplace(transitive) To place too high in a ranking.overplateIn armour, a large pauldron protecting the shoulder, or a cubitiere protecting the elbow.overpoise(chiefly figurative) That which outweighs; excessive weight.overpriceto give a commodity an excessive priceoverprime(transitive) To prime with too much fuel.overprize(transitive) To prize excessively; to overvalue.overprove(transitive) to prove excessively or beyond what is asked or requiredoverprune(transitive, horticulture) To prune too much.overpulse(electronics) An electric pulse that spikes above normal operating levels.overquote(ambitransitive) To give a quotation (price estimate) that is too high.overrangeInput to an instrument beyond the range of values it is designed to handle.oversauce(transitive) To cover (food) with too much sauce.overscaleOut of scale; much too large for the context in which it existsoverscareTo scare too much.overscoreSynonym of overbar.oversenseTo sense or detect too much, or more than is actually present.overserve(transitive) To serve too much (especially alcohol to an intoxicated person).overshadeTo cast a shadow over, to overshadow.overshakeTo shake too much.overshape(transitive) To transform; alter.overshare(transitive) To share too much or in excess.overshaveTo shave excessively.overshine(poetic) To shine over or upon; to illumine.overslide(transitive) To slide over or past.oversmoke(transitive) To smoke (bees, food being cured, etc.) excessively.overspace(transitive, typography) To separate with too much space; to set too far apart.overspice(transitive) To add too much spice to (a dish).overspokesimple past of overspeakoverstage(theater, of lighting, machinery etc) Above the stage.overstaleExcessively stale.overstare(obsolete) To stare wildly.overstate(transitive) To state or claim too much.overstoke(transitive) To stoke excessively, creating too large a fire in a fireplace, furnace, firebox, etc.overstoreTo overstock; to save more than is needed.oversworesimple past of overswearovertenseExcessively tense.overtildeA tilde placed over another character.overtitleTo give too high a title or status to.overtrace(transitive) To trace over.overtradeTo trade beyond one's capital; to buy goods beyond the means of paying for or selling themoverusageexcessive usageovervalueTo assign an excessive value to something.overvoice(transitive) To voice (a sound) too strongly.overwrite(transitive, computing) To destroy (older) data by recording new data over it.overwrotesimple past of overwriteovibovineOf or relating to the genus Ovibos.oviscapte(entomology) The oviscape or ovipositor.owyheeite(mineralogy) An orthorhombic-dipyramidal gray-white mineral containing antimony, bismuth, lead, silver, and sulfur.oxaborole(organic chemistry) A five-membered heterocycle having three carbon atoms, one oxygen atom, one boron atom and two double bonds; it, and its derivatives, are formally derived from an oxazole by replacing the nitrogen atom with one of boronoxalamide(organic chemistry) The amide of oxalic acid; any N-derivative of this compoundoxalurate(obsolete, chemistry) A salt of oxaluric acid.oxamidine(organic chemistry) One of a series of bases containing the amido and isonitroso groups united to the same carbon atom.oxanamideAn anxiolytic and muscle relaxant.oxanilate(chemistry) A salt of oxanilic acid.oxanilide(organic chemistry) A white crystalline substance resembling oxanilamide, obtained by heating aniline oxalate, and regarded as a double anilide of oxalic acid; diphenyl oxamide.oxathiane(organic chemistry) Any of three isomeric six-membered saturated heterocycles containing four carbon atoms, one oxygen and one sulfur atomoxathiine(organic chemistry) The unsaturated six-membered heterocycle having four carbon atoms, one oxygen atom, one sulfur atom and two double bondsoxathiole(organic chemistry) An unsaturated five-membered heterocycle having three carbon atoms, one oxygen atom, one sulfur atom and one double bondoxatomideA particular antihistamine drug derived from piperazine.oxazepane(organic chemistry) A saturated seven-membered heterocycle containing five carbon atoms, one nitrogen atom and one oxygen atomoxazepine(organic chemistry) A seven-membered unsaturated heterocycle containing five carbon atoms, one nitrogen and one oxygen atom, and three double bonds; any derivative of this compoundoxazinone(organic chemistry) Any of several isomeric heterocyclic ketones derived from oxazineoxazocane(organic chemistry) A saturated eight-membered heterocycle containing six carbon atoms, one nitrogen atom and one oxygen atomoxazocine(organic chemistry) An eight-membered, unsaturated heterocycle containing six carbon atoms, one oxygen and one nitrogen atom, and three double bonds, but especially 1,3-oxazocine and 1,4-oxazocineoxazoline(organic chemistry) An unsaturated heterocyclic compound containing a five-membered ring, one double bond, one nitrogen and one oxygen atom; any derivative of this compoundoxazolone(organic chemistry) A five-membered heterocycle containing three carbon atoms, one nitrogen atom, one oxygen atom, a carbonyl group and a double bondoxepinone(organic chemistry) Any ketone derived from oxepineoxetoroneAn antimigraine drug.oxidative(chemistry) Of, relating to, or produced by oxidation.oxoborate(inorganic chemistry) Any mixed oxide and borateoxodipine(pharmacology) A type of calcium channel blocker.oxohalide(chemistry) Any of several anions or complexes that contain both an oxide and a halide groupoxoiodide(chemistry) Any oxohalide in which the halide is iodideoxolamineA cough suppressant.oxomutase(biochemistry) Any mutase that modifies oxygen-containing heterocycles (typically converting an oxirane to an oxetane)oxosilane(chemistry) siloxaneoxycodone(organic chemistry, pharmacology) An addictive, semisynthetic opioid (trademark OxyContin) that is similar to morphine in effect and structure; C₁₈H₂₁NO₄.oxycymene(chemistry) hydroxy cymene; carvacroloxygenase(biochemistry) An enzyme which catalyses biochemical reactions with oxygen.oxygenate(transitive) To treat or infuse with oxygen.oxygeniseAlternative spelling of oxygenize.oxyhalide(inorganic chemistry) Any anion (and corresponding salt) in which a central atom is bonded to both oxygen and a halogenoxyiodide(chemistry) A compound containing oxygen and iodine.oxypurine(organic chemistry) Any oxidised form of a purine, such as hypoxanthine, xanthine or uric acidoxytonizeTo make a word oxytone by dropping the main stress on the final syllableozocerite(mineralogy) A dark waxy mineral, found associated with petroleum in some sandstones, used to make polishes.ozokeriteAlternative form of ozocerite.ozolinoneA loop diuretic drug, an active metabolite of etozoline.ozonelikeResembling or characteristic of ozone.