20-letter words containing r, i, t, u
- rheumatoid arthritis — a chronic autoimmune disease characterized by inflammation of the joints, frequently accompanied by marked deformities, and ordinarily associated with manifestations of a general, or systemic, affliction.
- ring of the nibelung — Richard Wagner's tetralogy of music dramas: Das Rheingold (completed 1869), Die Walküre (completed 1870), Siegfried (completed 1876), and Götterdämmerung (completed 1876): the cycle was first performed at Bayreuth, 1876.
- ring wall foundation — A ring wall foundation is a base made of concrete, used to put large tanks on.
- rocky mountain basic — (language) The BASIC language used by Hewlett Packard on their 680x0-based computers. Rocky Mountain Basic is good for interfaces to IEEE 488 controls and contains many mathematical and matrix functions. It has about 600 commands. Typical applications include automatic test stations.
- rocky mountain sheep — bighorn.
- roller-blind shutter — curtain shutter.
- rotations per minute — revolutions per minute
- rub sb's nose in sth — To rub someone's nose in something that they do not want to think about, such as a failing or a mistake they have made, means to remind them repeatedly about it.
- ruby-crowned kinglet — an olive-gray, American kinglet, Regulus calendula, the male of which has an erectile, ruby crest.
- run-time environment — (operating system) A collection of subroutines and environment variables that provide commonly used functions and data for a program while it is running. Compare run-time support.
- santa cruz operation — (SCO) A supplier of Unix systems for Intel microprocessors. They supply Xenix and Open Desktop. Founded in 1979, SCO became a public company in May, 1993 and trades on the Nasdaq National Market System under the symbol SCOC. SCO maintains its world headquarters in Santa Cruz, California, USA; a European headquarters in Watford, England; a Government Systems Group in Reston, Virginia; and offices in Asia, Australia, Canada, Latin America, and throughout Europe and the United States. In February 1993, SCO acquired IXI Limited of Cambridge, England, the leading supplier of Unix System windowing software.
- sb's future lies swh — If you say that someone's future lies in a particular place or activity, you think they will be most successful or happy in that place or doing that activity.
- scatter site housing — public housing, especially for low-income families, built throughout an urban area rather than being concentrated in a single neighborhood.
- schrodinger equation — the wave equation of nonrelativistic quantum mechanics. Also called Schrödinger wave equation. Compare wave equation (def 2).
- secure accommodation — an institution where young offenders are kept in custody
- security association — (networking) The relationship between two or more entities (typically, a computer, but could be a user on a computer, or software component) which describes how the entities will use security services, such as encryption, to communicate. See RFC 1825.
- semiautobiographical — pertaining to or being a fictionalized account of an author's own life.
- serra da mantiqueira — a mountain range in SE Brazil, running parallel to the coast. Highest point, 9140 feet (2785 meters).
- setting-up exercises — gymnastic exercises for better posture, suppleness, etc
- shareholders' equity — Shareholders' equity is the total amount of ownership investment in a company.
- shibah asar betammuz — Shivah Asar Betammuz.
- shivah asar betammuz — a Jewish fast day observed on the 17th day of Tammuz in memory of the breach of the walls of Jerusalem by the Romans in a.d. 70.
- shoulder-length hair — hair that reaches a person's shoulders
- slip through the net — If criminals slip through the net, they avoid being caught by the system or trap that was meant to catch them.
- social security card — a card that contains details of a person's social security number
- sodium fluoroacetate — a white, amorphous, water-soluble, poisonous powder, C 2 H 2 FO 2 Na, used as a rodenticide.
- sodium meta-arsenite — sodium arsenite.
- sound motion picture — a motion picture with a soundtrack.
- south american plate — a major tectonic division of the earth's crust, comprising the continent of South America and several ocean basins and bounded on the north by the Caribbean Plate, on the east by the Mid-Atlantic Ridge, on the west by a submarine trench that borders the western coast of the continent, and on the south by the Antarctic Plate.
- south orkney islands — an uninhabited group of islands in the S Atlantic, southeast of Cape Horn: formerly a dependency of the Falkland Islands; part of the British Antarctic Territory since 1962 (claims are suspended under the Antarctic Treaty). Area: 621 sq km (240 sq miles)
- southern oscillation — a low-latitude fluctuation of atmospheric pressure closely linked with El Niño events, specifically the periods of El Niño warming and La Niña cooling.
- special patrol group — a former police unit tasked with counter terrorism in the Royal Ulster Constabulary
- spontaneous abortion — miscarriage (def 1).
- spontaneous-abortion — Also called voluntary abortion. the removal of an embryo or fetus from the uterus in order to end a pregnancy.
- spuyten duyvil creek — a channel in New York City at the north end of Manhattan Island, connecting the Hudson and Harlem rivers.
- square cross-section — If a kelly has a square cross-section, it has a surface area with four equal sides, when looked at as if has been sliced through.
- square of opposition — a diagrammatic representation of the opposition of categorical propositions.
- squatter sovereignty — (used contemptuously by its opponents) popular sovereignty (def 2).
- squirrel's-foot fern — ball fern.
- stockholders' equity — the net assets of a corporation as owned by stockholders in capital stock, capital surplus, and undistributed earnings.
- straight-cut tobacco — tobacco that is cut in such a way that it will lie flat.
- structural 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.
- subscription edition — an edition of one or more volumes for which a number of prospective purchasers place orders, usually in advance of publication.
- subscription library — a commercial lending library
- suitland-silver hill — a city in central Maryland, near Washington, D.C.
- summary jurisdiction — the right a court has to adjudicate immediately upon some matter arising during its proceedings
- superior conjunction — the alignment of an inferior planet and the sun in which the planet is at the far side of the sun from the earth.
- supersonic transport — a commercial jet airplane that can fly faster than the speed of sound. Abbreviation: SST.
- surface-active agent — any substance that when dissolved in water or an aqueous solution reduces its surface tension or the interfacial tension between it and another liquid.
- surveillance society — a society where surveillance technology is widely used to monitor people's everyday activities