12-Letter Words Starting With O and Ending With R

Explore 60 matching words, including objectivizer, obtriangular, obtusangular, occasionwear, occlusometer.

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All 60 Matching Words

objectivizerOne who objectivizes.obtriangulartriangular with the apex downwardsobtusangularobtuse-angledoccasionwearclothing to be worn on special occasionsocclusometerA gnathodynamometer.octocellularHaving eight cells.officeholderA person who holds an office, especially one appointed or elected to a public office.officeseekerA candidate for office, often specifically political officeofficeworkerAlternative form of office worker.oflactometerMisspelling of olfactometer.olfactometerA device used to measure the acuity of a person's sense of smell.olfactomotor(biology) Of or pertaining to both olfactory and motor activity, as for example where thinking about an odor triggers sniffing.oligohexamer(organic chemistry) An oligomer composed of hexamersoligonodular(medicine) Characterized by a small number (often fewer than five) of nodules.oligonuclearHaving few / several nucleioligopolymerA polymer which occurs naturally in crude oil, or in one of its basic refractory components, usually a mixture of 2 or more polymers.oneiromancerOne who practises oneiromancy.opinionmakerOne who influences the public in their opinions.optoisolatorA device that transmits a signal optically between two isolated electronic circuitsorchestraterAlternative form of orchestrator.orchestrator(music or figurative) One who orchestrates.orchidometerAn instrument used to measure the volume of the testiclesorganbuilderA person who makes organs (musical instruments).organellular(biology) Relating to, or functioning via organelles.organocopper(organic chemistry) Describing any organic compound containing a carbon to copper bondorganosilver(organic chemistry) Describing any organic compound containing a carbon-to-silver bond.organosulfur(organic chemistry) Any such organic compound.ornithologer(rare) An ornithologist.orthographerSomeone who devises an orthography.orthomodular(mathematics) Describing a lattice with the property that its every orthogonal pair is modular.oscillometer(physics, medicine) Any of several devices that measure oscillationsosmoeffector(physiology) Any substance that regulates osmotic pressure (in tissues)osmoreceptor(biology) A sensory receptor, primarily found in the hypothalamus of most homeothermic organisms, that detects changes in osmotic pressureosmostressorAnything that causes osmostressosteographerOne who studies osteography.otherwhither(obsolete or archaic) Elsewhither.outlandisher(obsolete) Foreigner; outlander.outmanoeuverAlternative form of outmanoeuvre.outpensionerOne who is granted an outpension.outperformerOne who outperforms.outstretcher(rare) One who or that which outstretches.overachieverOne who overachieves; one who has too much success.overconsumerOne who consumes too much.overencumber(transitive) To encumber excessively.overengineer(transitive) To render something more complicated than necessary; often implying that the complexity was added intentionally.overextenderOne who overextends.overfamiliarCommon or repeated to the point of being unnoticed or annoying.overindulgerOne who overindulges.overinvestorOne who invests too much.overmuscularSynonym of overmuscled.overproducerOne who overproduces.overpromiserOne who overpromises.overpronatorOne who overpronates.overreporterOne who overreports something.overshadowerSomeone or something that overshadows.overutilizerOne who overutilizes.overwintererOne who overwinters.ovoinhibitorAny of a class trypsin inhibitors found in hen's eggsoxyconformer(physiology) An organism that displays oxyconformity.oxyregulator(biology) Any organism that can achieve oxyregulation