17-letter words containing c, i, r, o, u, m
- multiple cropping — the use of the same field for two or more crops, whether of the same or of different kinds, successively during a single year.
- munitions factory — a factory where munitions are made
- muscle dysmorphia — a mental disorder primarily affecting males, characterized by obsessions about a perceived lack of muscularity, leading to compulsive exercising, use of anabolic steroids, etc. Compare body dysmorphic disorder.
- nasolacrimal duct — a membranous canal extending from the lacrimal sac to the nasal cavity, through which tears are discharged into the nose.
- natural harmonics — harmonics of a note produced on a stringed instrument by lightly touching an open or unstopped sounded string.
- nuclear isomerism — isomerism (def 2).
- nuclear-isomerism — Chemistry. the relation of two or more compounds, radicals, or ions that are composed of the same kinds and numbers of atoms but differ from each other in structural arrangement (structural isomerism) as CH 3 OCH 3 and CH 3 CH 2 OH, or in the arrangement of their atoms in space and therefore in one or more properties. Compare optical isomerism, stereoisomerism.
- numerical control — control of a machine tool, or other device used in a manufacturing process, by a computer, other control circuitry, or recorded digital commands.
- per procurationem — by one acting as an agent; by proxy.
- pernicious anemia — Pernicious anemia is a very severe blood disease.
- poststructuralism — a variation of structuralism, often seen as a critique, emphasizing plurality of meaning and instability of concepts that structuralism uses to define society, language, etc.
- pre-communication — the act or process of communicating; fact of being communicated.
- primary education — junior, elementary schooling
- production number — a specialty number or routine, usually performed by the entire cast consisting of musicians, singers, dancers, stars, etc., of a musical comedy, vaudeville show, or the like.
- production system — (programming) A production system consists of a collection of productions (rules), a working memory of facts and an algorithm, known as forward chaining, for producing new facts from old. A rule becomes eligible to "fire" when its conditions match some set of elements currently in working memory. A conflict resolution strategy determines which of several eligible rules (the conflict set) fires next. A condition is a list of symbols which represent constants, which must be matched exactly; variables which bind to the thing they match and "<> symbol" which matches a field not equal to symbol. Example production systems are OPS5, CLIPS, flex.
- pseudo-democratic — pertaining to or of the nature of democracy or a democracy.
- pseudo-moralistic — a person who teaches or inculcates morality.
- quadratic formula — the formula for determining theroots of a quadratic equation from its coefficients: .
- radioluminescence — luminescence induced by nuclear radiation.
- reconstructionism — a 20th-century movement among U.S. Jews, founded by Rabbi Mordecai M. Kaplan, advocating that Judaism, being a culture and way of life as well as a religion, is in sum a religious civilization requiring constant adaptation to contemporary conditions so that Jews can identify more readily and meaningfully with the Jewish community.
- recursion formula — a formula for determining the next term of a sequence from one or more of the preceding terms.
- recursive acronym — (convention) A hackish (and especially MIT) tradition is to choose acronyms and abbreviations that refer humorously to themselves or to other acronyms or abbreviations. The classic examples were two MIT editors called EINE ("EINE Is Not Emacs") and ZWEI ("ZWEI Was EINE Initially"). More recently, there is a Scheme compiler called LIAR (Liar Imitates Apply Recursively), and GNU stands for "GNU's Not Unix!" - and a company with the name CYGNUS, which expands to "Cygnus, Your GNU Support". See also mung.
- reduction formula — a formula, such as sin (90° ± A) = cos A, expressing the values of a trigonometric function of any angle greater than 90° in terms of a function of an acute angle
- republic of yemen — Republic of, a country in S Arabia, formed in 1990 by the merger of the Yemen Arab Republic and the People's Democratic Republic of Yemen. 207,000 sq. mi. (536,130 sq. km). Capital: Aden.
- rheumatoid factor — an antibody that is found in the blood of many persons afflicted with rheumatoid arthritis and that reacts against globulins in the blood.
- smoothing circuit — a circuit used to remove ripple from the output of a direct current power supply
- sodium bichromate — a red or orange crystalline, water-soluble solid, Na 2 Cr 2 O 7 ⋅2H 2 O, used as an oxidizing agent in the manufacture of dyes and inks, as a corrosion inhibitor, a mordant, a laboratory reagent, in the tanning of leather, and in electroplating.
- sodium dichromate — a red or orange crystalline, water-soluble solid, Na 2 Cr 2 O 7 ⋅2H 2 O, used as an oxidizing agent in the manufacture of dyes and inks, as a corrosion inhibitor, a mordant, a laboratory reagent, in the tanning of leather, and in electroplating.
- spectrum disorder — any of a group of disorders each having symptoms that occur on a continuum and certain features that are shared along its spectrum but that manifest in markedly different forms and degrees. See also autism spectrum disorder.
- storm in a teacup — a violent fuss or disturbance over a trivial matter
- stretch limousine — a limousine that has been lengthened to provide extra seating accommodation and more legroom
- superaerodynamics — the branch of aerodynamics that deals with gases at very low densities.
- supercolumniation — the placing of one order of columns above another.
- support mechanism — any formal system or method of providing support or assistance
- tertiary consumer — a carnivore at the topmost level in a food chain that feeds on other carnivores; an animal that feeds only on secondary consumers.
- thermocoagulation — the coagulation of tissue by heat-producing high-frequency electric currents, used therapeutically to remove small growths or to create specific lesions in the brain.
- triboluminescence — luminescence produced by friction, usually within a crystalline substance.
- tropical aquarium — an aquarium designed for the maintenance and breeding of tropical fish and kept at a suitably warm temperature.
- trucial sheikdoms — an independent federation in E Arabia, formed in 1971, now comprising seven emirates on the S coast (formerly, Pirate Coast or Trucial Coast) of the Persian Gulf, formerly under British protection: Abu Dhabi, Dubai, Sharjah, Ajman, Umm al-Qaiwain, Ras al-Khaimah (joined 1972), and Fujairah. About 32,300 sq. mi. (83,657 sq. km). Capital: Abu Dhabi. Abbreviation: U.A.E.
- ultramicrobalance — a balance for weighing precisely, to a hundredth of a microgram or less, minute quantities of material.
- uncomprehendingly — to understand the nature or meaning of; grasp with the mind; perceive: He did not comprehend the significance of the ambassador's remark.
- unconformity trap — An unconformity trap is a hydrocarbon trap where the closure is made by an unconformity (= a formation of rock layers which represents a gap in the geological record).
- undercompensation — to compensate or pay less than is fair, customary, or expected.
- unipalm group plc — (company) A company floated in March 1994.
- vacuum aspiration — menstrual extraction.
- vacuum extraction — applying suction to a baby's head during birth to help it emerge
- victor emmanuel i — 1759–1824, king of Sardinia 1802–21.