15-letter words containing m, o, r
- rheumatism-root — spotted wintergreen.
- rhombencephalon — the hindbrain.
- rhyme or reason — If something happens or is done without rhyme or reason, there seems to be no logical reason for it to happen or be done.
- rhyming couplet — a pair of lines in poetry that rhyme and usually have the same rhythm
- right of asylum — the right of alien fugitives to protection or nonextradition in a country or its embassy.
- rimsky-korsakov — Nicolai Andreevich [nyi-kuh-lahy uhn-drye-yi-vyich] /nyɪ kəˈlaɪ ʌnˈdryɛ yɪ vyɪtʃ/ (Show IPA), 1844–1908, Russian composer.
- ringtail monkey — a Central and South American monkey, Cebus capucinus, having a prehensile tail and hair on the head resembling a cowl.
- robe-de-chambre — a dressing gown.
- roche moutonnee — a rounded, glacially eroded rock outcrop, usually one of a group, resembling a sheep's back.
- rockrose family — the plant family Cistaceae, characterized by herbaceous plants and shrubs having simple, usually opposite leaves, solitary or clustered flowers, and capsular fruit, and including the frostweed, pinweed, and rockrose.
- rockwell number — a numerical expression of the hardness of a metal as determined by a test (Rockwell test) made by indenting a test piece with a Brale, or with a steel ball of specific diameter, under two successive loads and measuring the resulting permanent indentation.
- rocky mountains — mountain range in USA and Canada
- rod pumped well — A rod pumped well is a well with a nodding donkey to remove fluid mechanically.
- rolle's theorem — the theorem that a differentiable function having equal values at the endpoints of an interval has a derivative equal to zero at some point in the interval.
- rolling meadows — a city in NE Illinois, near Chicago.
- rollmop herring — a herring fillet rolled, usually around onion slices, and pickled in spiced vinegar
- romantic comedy — a light and humorous movie, play, etc., whose central plot is a happy love story.
- romanticization — to make romantic; invest with a romantic character: Many people romanticize the role of an editor.
- romblon islands — a group of islands of the Philippines in the Sibuyan Sea and Tablas Strait, part of the Visayan Islands.
- room-and-pillar — noting a means of extracting coal or other minerals from underground deposits by first cutting out rooms, then robbing the pillars between them; pillar-and-breast.
- round-trip time — (RTT) A measure of the current delay on a network, found by timing a packet bounced off some remote host. This can be done with ping -s.
- routeing domain — (networking) (US "routing") A set of routers that exchange routeing information within an administrative domain.
- rules committee — a special committee of a legislature, as of the U.S. House of Representatives, having the authority to establish rules or methods for expediting legislative action, and usually determining the date a bill is presented for consideration.
- run of the mill — merely average; commonplace; mediocre: just a plain, run-of-the-mill house; a run-of-the-mill performance.
- run-of-the-mill — merely average; commonplace; mediocre: just a plain, run-of-the-mill house; a run-of-the-mill performance.
- run-of-the-mine — of or relating to ore or coal that is crude, ungraded, etc.
- rutherford atom — the atom postulated as analogous to the solar system, with electrons revolving around a small, central, positive nucleus that constitutes practically the entire mass of the atom
- saccharomycetes — a collective name for yeasts
- sacred mushroom — any of various hallucinogenic mushrooms, esp species of Psilocybe and Amanita, that have been eaten in rituals in various parts of the world
- sales promotion — the methods or techniques for creating public acceptance of or interest in a product, usually in addition to standard merchandising techniques, as advertising or personal selling, and generally consisting of the offer of free samples, gifts made to a purchaser, or the like.
- sam browne belt — a sword belt having a supporting strap over the right shoulder, formerly worn by officers in the U.S. Army, now sometimes worn as part of the uniform by police officers, guards, and army officers in other nations.
- samuel fb morse — Jedidiah [jed-i-dahy-uh] /ˌdʒɛd ɪˈdaɪ ə/ (Show IPA), 1761–1826, U.S. geographer and Congregational clergyman (father of Samuel F. B. Morse).
- samuel prescott — Samuel, 1751–77, U.S. patriot during the American Revolution: rode with Paul Revere and William Dawes to warn Colonists that British troops were marching from Boston, April 18, 1775.
- sarcenchymatous — relating to the connective tissue of some sponges
- sarcoptic mange — mange caused by burrowing mites of the genus Sarcoptes.
- schola cantorum — an ecclesiastical choir or choir school.
- schone mullerin — a song cycle (1823), by Franz Schubert, consisting of 20 songs set to poems by Wilhelm Müller.
- schopenhauerism — the philosophy of Schopenhauer, who taught that only the cessation of desire can solve the problems arising from the universal impulse of the will to live.
- sclerodermatous — Zoology. covered with a hardened tissue, as scales.
- scolopendriform — resembling scolopendra
- scotch foursome — foursome (def 2b).
- scpi consortium — (body) A body established to promote Standard Commands for Programmable Instruments. Address: 8380 Hercules Drive, Suite P3, La Mesa, CA 91942, USA.
- second mortgage — a mortgage the lien of which is next in priority to a first mortgage.
- secondary metal — metal derived wholly or in part from scrap.
- secondary xylem — xylem derived from the cambium during secondary growth.
- secret mosquito — a high-pitched ringtone for a mobile phone, claimed by its distributors to be inaudible to most adults while remaining audible to children and teenagers
- self-admiration — a feeling of wonder, pleasure, or approval.
- self-government — control of the government of a state, community, or other body by its own members; democratic government.
- self-monitoring — (especially formerly) a student appointed to assist in the conduct of a class or school, as to help take attendance or keep order.
- self-proclaimed — to announce or declare in an official or formal manner: to proclaim war.