12-letter words containing m, c, a, r
- product mark — a trademark used on only one product.
- programmatic — of, relating to, consisting of, or resembling program music.
- promuscidate — shaped like a proboscis
- protactinium — a radioactive, metallic element. Symbol: Pa; atomic number: 91.
- protoplasmic — Biology. (no longer in technical use) the colloidal and liquid substance of which cells are formed, excluding horny, chitinous, and other structural material; the cytoplasm and nucleus.
- pulp chamber — the crown portion of the pulp cavity.
- pyrochemical — pertaining to or producing chemical change at high temperatures.
- pyromagnetic — (formerly) thermomagnetic (def 1).
- pyromaniacal — a compulsion to set things on fire.
- race meeting — A race meeting is an occasion when a series of horse races are held at the same place, often during a period of several days.
- race norming — the process of statistically adjusting the scores of minority job applicants on job-qualification tests by rating each test-taker's score against the results of others in his or her racial or ethnic group.
- racemic acid — an isomeric modification of tartaric acid that is sometimes found in the juice of grapes in conjunction with the common dextrorotatory form and is optically inactive but can be separated into the two usual isomeric forms, dextrorotatory and levorotatory.
- racemization — the conversion of an optically active substance into an optically inactive mixture of equal amounts of the dextrorotatory and levorotatory forms.
- rachiotomies — Plural form of rachiotomy.
- rachmaninoff — Sergei Wassilievitch [sur-gey vuh-seel-yuh-vich;; Russian syir-gyey vuh-syee-lyi-vyich] /sɜrˈgeɪ vəˈsil yə vɪtʃ;; Russian syɪrˈgyeɪ vʌˈsyi lyɪ vyɪtʃ/ (Show IPA), 1873–1943, Russian pianist and composer.
- racing homer — a kind of homing pigeon used for racing
- radiomimetic — (of drugs) producing effects similar to those produced by X-rays
- raman effect — the change in wavelength of light scattered while passing through a transparent medium, the collection of new wavelengths (Raman spectrum) being characteristic of the scattering medium and differing from the fluorescent spectrum in being much less intense and in being unrelated to an absorption band of the medium.
- ramapithecus — a genus of extinct Miocene ape known from fossils found in India and Pakistan and formerly thought to be a possible human ancestor.
- rambunctious — difficult to control or handle; wildly boisterous: a rambunctious child.
- rambus, inc. — (company) The company which designed Rambus DRAM. Address: Mountain View, CA., USA.
- ramentaceous — resembling or covered with ramenta.
- ramification — the act or process of ramifying.
- rattail comb — a comb for the hair having a narrow, pointed handle used in styling the hair.
- re-enactment — the act of enacting.
- reaccumulate — to gather or collect, often in gradual degrees; heap up: to accumulate wealth.
- readmittance — the act or process of admitting someone or something again
- reattachment — connecting or fastening again
- receptaculum — a vessel, receptacle or container
- recompensate — to recompense for something: They gave him ten dollars to compensate him for his trouble.
- reduced mass — a quantity obtained when one particle is moving about another, larger particle that is also moving, equivalent to the mass of the smaller particle, were the larger particle not moving, and equal to the quotient of the product of the two masses divided by their sum.
- reflectogram — an image of an under-drawing or image taken from beneath the surface of paint in a work of art
- refugee camp — a camp for sheltering and protecting people who have fled from some danger or problem, esp political persecution
- rejectamenta — things that have been thrown away as worthless
- remembrancer — a person who reminds another of something.
- remonstrance — an act or instance of remonstrating.
- return match — sport: second game between same teams
- reward claim — a claim granted to a miner who discovered gold in a new area
- rhamphotheca — the horny covering of a bird's bill.
- rhythmically — periodic, as motion, or a drumbeat.
- ring machine — a Linotype used primarily for making corrections.
- road company — a theatrical group that tours cities and towns, usually performing a single play that is or has been a success in New York City.
- rock jasmine — any of several alpine plants belonging to the genus Androsace, of the primrose family, having tufted leaves often in basal rosettes, and umbels of pink, red, purple, or white flowers.
- rockumentary — a documentary about rock music.
- roman a clef — a novel that represents historical events and characters under the guise of fiction.
- roman candle — a firework consisting of a tube that sends out a shower of sparks and a succession of balls of fire.
- roman collar — clerical collar.
- romantically — of, relating to, or of the nature of romance; characteristic or suggestive of the world of romance: a romantic adventure.
- romanticized — interpreted according to romantic precepts
- rose campion — a plant, Lychnis coronaria, of the pink family, having reddish purple flowers, and leaves covered with whitish down.