18-letter words containing v, e, n, l
- psychogalvanometer — a type of galvanometer for detecting and measuring psychogalvanic currents.
- public convenience — a rest room, especially at a large public place, as at a railroad station.
- redevelopment area — an urban area in which all or most of the buildings are demolished and rebuilt
- reinvent the wheel — (jargon) To design or implement a tool equivalent to an existing one or part of one, with the implication that doing so is silly or a waste of time. This is often a valid criticism. On the other hand, automobiles don't use wooden rollers, and some kinds of wheel have to be reinvented many times before you get them right. On the third hand, people reinventing the wheel do tend to come up with the moral equivalent of a trapezoid with an offset axle.
- relative frequency — the ratio of the number of times an event occurs to the number of occasions on which it might occur in the same period.
- relative minor key — a minor key that has the same key signature as a major key, but a different tonic
- reverse angle shot — Movies. reverse shot.
- revolution counter — a device for counting or recording the number of revolutions made by a rotating shaft, as of a motor or engine.
- revolutionary wars — American Revolution.
- ribbon development — housing or commercial buildings built along a stretch of road.
- russian revolution — Also called February Revolution. the uprising in Russia in March, 1917 (February Old Style), in which the Czarist government collapsed and a provisional government was established.
- school-leaving age — the minimum age that children are legally allowed to leave school - in Britain and the United States, this is 16
- seasonal variation — season-related variation
- selective abortion — the aborting of particular embryos for medical or social reasons
- selective breeding — the raising of animals with particular genetic traits through careful choice of parents
- self-advertisement — a paid announcement, as of goods for sale, in newspapers or magazines, on radio or television, etc.
- seven-league boots — mythical boots that allowed the wearer to travel seven leagues (a former unit of measurement), ie a great length, at each step
- significance level — (in the statistical test of a hypothesis) the maximum probability of a Type I error for all distributions consistent with the null hypothesis.
- silvery cinquefoil — any of several plants belonging to the genus Potentilla, of the rose family, having yellow, red, or white five-petaled flowers, as P. reptans (creeping cinquefoil) of the Old World, or P. argentea (silvery cinquefoil) of North America.
- silvery spleenwort — a fern, Diplazium pycnocarpon, of eastern North America, having fronds from 20 to 30 inches (50.8 to 76.2 cm) long on yellowish-green stalks.
- slobodan milosevic — Slobodan [sloh-buh-dain] /ˈsloʊ bəˌdɛən/ (Show IPA), 1941–2006, Yugoslav and Serbian politician: president of Serbia 1989–97, president of the Federal Republic of Yugoslavia 1997–2000, accused of war crimes 2001.
- social environment — the environment developed by humans as contrasted with the natural environment; society as a whole, especially in its relation to the individual.
- solvent extraction — Solvent extraction is the separation of a particular substance from a mixture by dissolving that substance in a solvent that will dissolve it, but which will not dissolve any other substance in the mixture.
- st. lawrence river — a river in SE Canada, flowing NE from Lake Ontario, forming part of the boundary between New York and Ontario, and emptying into the Gulf of St. Lawrence. 760 miles (1225 km) long.
- store launch event — A store launch event is a special event, which publicizes the opening of a new store and at which discounts and free samples may be offered.
- survival mechanism — something you or your body does automatically, in order to survive in a dangerous or unpleasant situation
- sweet vernal grass — a Eurasian meadow grass, Anthoxanthum odoratum, found throughout North America, having clusters of brownish-green flowers.
- symbolist movement — a movement beginning in French and Belgian poetry towards the end of the 19th century with the verse of Mallarmé, Valéry, Verlaine, Rimbaud, Maeterlinck, and others, and seeking to express states of mind rather than objective reality by making use of the power of words and images to suggest as well as denote
- teacher evaluation — the process of vetting teachers to maintain teaching standards
- technical reserves — Technical reserves are amounts of money set aside to pay for underwriting liabilities.
- teleobjective lens — telephoto lens.
- telephone receiver — a device, as in a telephone, that converts changes in an electric current into sound.
- television cabinet — a cabinet on which a television set is placed or in which it is encased
- television company — a company that broadcasts programmes by television
- television licence — a certificate giving official permission to own a television set
- television station — station (def 8).
- tender loving care — considerate and kindly care, as of someone who is ill, upset, etc
- thermogalvanometer — a thermoammeter for measuring small currents, consisting of a thermocouple connected to a direct-current galvanometer.
- thomas alva edison — Thomas Alva [al-vuh] /ˈæl və/ (Show IPA), 1847–1931, U.S. inventor, especially of electrical devices.
- to lose your nerve — If you lose your nerve, you suddenly panic and become too afraid to do something that you were about to do.
- to save one's life — If you say that someone cannot do something to save their life, you are emphasizing that they do it very badly.
- to scrape a living — If you say that someone scrapes a living or scratches a living, you mean that they manage to earn enough to live on, but it is very difficult. In American English, you say they scrape out a living or scratch out a living.
- townsend avalanche — avalanche (def 3).
- traveling salesman — a male representative of a business firm who travels in an assigned territory soliciting orders for a company's products or services.
- travelling library — a mobile library in which a vehicle such as a van delivers books to be borrowed
- turbine ventilator — a ventilator, usually mounted on the roof of a building, deck of a ship, etc., having at its head a globular, vaned rotor that is rotated by the wind, conveying air through a duct to and from a chamber below.
- universal coupling — a coupling between rotating shafts set at an angle to one another, allowing for rotation in three planes.
- universal debugger — (tool, parallel) (udb) KSR's interactive source level debugger for serial and parallel programs written in KSR, Fortran, KSR C and KSR1 assembly language. Udb is a source level debugger for testing and debugging serial and parallel programs; it is compatible with GDB and dbx. The user can direct udb either by typing commands or graphically through an X-based window interface; the latter provides simultaneous display of source code, I/O and instructions. For parallel programs, operations can be carried out per-thread.
- universal language — an auxiliary language that is used and understood everywhere.
- universal negative — a proposition of the form “No S is P.” Symbol: E, e.