17-letter words containing c, e, r, m, o
- recoil escapement — anchor escapement.
- 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.
- redemption center — a commercial establishment at which trading stamps of a specific brand may be exchanged for merchandise.
- 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
- remote-controlled — A remote-controlled machine or device is controlled from a distance by the use of radio or electronic signals.
- renaissance woman — a woman who has acquired profound knowledge or proficiency in more than one field.
- repertory company — repertory (def 2).
- 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.
- ribbon microphone — a microphone that utilizes a metal ribbon suspended in a magnetic field.
- romantic movement — the late 18th- and early 19th-century movement in France, Germany, England, and America to establish Romanticism in art and literature.
- sacred roman rota — rota1 (def 3).
- scheme repository — A collection of free Scheme programs.
- self-confirmation — the act of confirming.
- semi-biographical — of or relating to a person's life: He's gathering biographical data for his book on Milton.
- semimicroanalysis — any analytical method in which the weight of the sample is between 10 and 100 milligrams.
- shorter catechism — one of the two catechisms established by the Westminster Assembly in 1647, used chiefly in Presbyterian churches.
- shower attachment — a device fixed to taps to make a shower
- simple microscope — a microscope having a single lens.
- smarandache logic — neutrosophic logic
- social democratic — A social democratic party is a political party whose principles are based on social democracy.
- socialist realism — a state-approved artistic or literary style in some socialist countries, as the U.S.S.R., that characteristically celebrates an idealized vision of the life and industriousness of the workers.
- 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.
- sound spectrogram — a graphic representation, produced by a sound spectrograph, of the frequency, intensity, duration, and variation with time of the resonance of a sound or series of sounds.
- spectromicroscope — a microscope with an attached spectroscope.
- spectrophotometer — an instrument for making photometric comparisons between parts of spectra.
- spectrophotometry — an instrument for making photometric comparisons between parts of spectra.
- spectroradiometer — an instrument for determining the radiant-energy distribution in a spectrum, combining the functions of a spectroscope with those of a radiometer.
- 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.
- spongy parenchyma — the lower layer of the ground tissue of a leaf, characteristically containing irregularly shaped cells with relatively few chloroplasts and large intercellular spaces.
- spore mother cell — a cell from which a spore is produced
- spring cankerworm — the striped, green caterpillar of any of several geometrid moths: a foliage pest of various fruit and shade trees, as Paleacrita vernata (spring cankerworm) and Alsophila pometaria (fall cankerworm)
- stand on ceremony — to insist on or act with excessive formality
- stenothermophilic — growing best within a narrow temperature range.
- 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
- supreme commander — the military officer commanding all allied forces in a theater of war.
- sweet mock orange — the syringa, Philadelphus coronarius.
- sword of damocles — Damocles (def 2).
- sydenham's chorea — a form of chorea affecting children, often associated with rheumatic fever
- tabernacle mirror — a mirror of c1800, having columns and a cornice, usually gilt, with a painted panel over the mirror.
- telescopic damper — a device with telescopic parts that reduce vibration in a motor vehicle
- temporary account — A temporary account is an account which is closed out at the end of the year.
- terminal velocity — Physics. the velocity at which a falling body moves through a medium, as air, when the force of resistance of the medium is equal in magnitude and opposite in direction to the force of gravity. the maximum velocity of a body falling through a viscous fluid.