12-letter words containing c, o, m, r, i
- protomorphic — having a primitive character or structure.
- 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.
- protosemitic — the hypothetical parent language of the Semitic group of languages
- psychometric — Psychology. psychometrics.
- pyrochemical — pertaining to or producing chemical change at high temperatures.
- pyromagnetic — (formerly) thermomagnetic (def 1).
- pyromaniacal — a compulsion to set things on fire.
- 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.
- 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
- rambunctious — difficult to control or handle; wildly boisterous: a rambunctious child.
- ramification — the act or process of ramifying.
- rattail comb — a comb for the hair having a narrow, pointed handle used in styling the hair.
- receptionism — the doctrine that in the communion service the communicant receives the body and blood of Christ but that the bread and wine are not transubstantiated.
- recommending — to present as worthy of confidence, acceptance, use, etc.; commend; mention favorably: to recommend an applicant for a job; to recommend a book.
- recommission — the act of committing or entrusting a person, group, etc., with supervisory power or authority.
- recommitment — to commit again.
- reductionism — the theory that every complex phenomenon, especially in biology or psychology, can be explained by analyzing the simplest, most basic physical mechanisms that are in operation during the phenomenon.
- reg-symbolic — An early system on the IBM 704.
- rhytidectomy — face-lift.
- rock climber — sb who scales mountains
- 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.
- 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
- room service — the serving of food, drinks, etc., to a guest in his or her room, as at a hotel.
- root climber — a plant that clings to a surface and climbs by means of adventitious roots, as the ivy, Hedera helix.
- rose campion — a plant, Lychnis coronaria, of the pink family, having reddish purple flowers, and leaves covered with whitish down.
- salmon brick — a soft, imperfectly fired brick having a reddish-orange color.
- sarcomatosis — the condition in which a sarcoma has become disseminated throughout the body.
- satyromaniac — a lascivious man; lecher.
- schoenheimer — Rudolf [roo-dolf;; German roo-dawlf] /ˈru dɒlf;; German ˈru dɔlf/ (Show IPA), 1898–1941, U.S. biochemist, born in Germany.
- scissor jump — a type of jump involving a scissor-like movement of the legs
- sclerodermic — of or relating to a scleroderm or to sclerodermia; hard-skinned
- section mark — section (def 16).
- seismometric — of or relating to seismometry or a seismometer
- semi-organic — noting or pertaining to a class of chemical compounds that formerly comprised only those existing in or derived from plants or animals, but that now includes all other compounds of carbon.
- semiprecious — (of a stone) having commercial value as a gem but not classified as precious, as the amethyst or garnet.
- semitropical — subtropical.
- serial comma — a comma used after the next-to-last item in a series of three or more items when the next-to-last and last items are separated by a conjunction. In the series A, B, C, or D, the comma after C is the series comma.
- servicewoman — a woman who is a member of the armed forces of a country.
- shortcomings — a failure, defect, or deficiency in conduct, condition, thought, ability, etc.: a social shortcoming; a shortcoming of his philosophy.
- siderochrome — any of various chemical compounds functioning in the transport of iron in bacteria.
- skeuomorphic — an ornament or design on an object copied from a form of the object when made from another material or by other techniques, as an imitation metal rivet mark found on handles of prehistoric pottery.
- smart cookie — intelligent or sharp-witted person
- sophomorical — characteristic of a sophomore
- spermatocide — spermicide.
- spermophytic — able to produce seed