18-letter words containing l, a, v
- revolutionary wars — American Revolution.
- rr lyrae variables — any of the very regular, short-period, pulsating variable stars having periods between 1.5 and 29 hours
- 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.
- sacrificial victim — a person who is ritually killed with the intention of propitiating or pleasing a deity
- school-leaving age — the minimum age that children are legally allowed to leave school - in Britain and the United States, this is 16
- sea-level pressure — the atmospheric pressure, at any elevation, reduced by formula to a value approximating the pressure at sea level.
- seasonal variation — season-related variation
- selective abortion — the aborting of particular embryos for medical or social reasons
- 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.
- silver certificate — a former paper currency first issued in 1878 by the U.S. federal government for circulation, equal to and redeemable for silver to a stated value.
- 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.
- sodium-vapour lamp — a type of electric lamp consisting of a glass tube containing neon and sodium vapour at low pressure through which an electric current is passed to give an orange light. They are used in street lighting
- 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.
- special relativity — the state or fact of being relative.
- 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.
- standard of living — a grade or level of subsistence and comfort in everyday life enjoyed by a community, class, or individual: The well-educated generally have a high standard of living.
- 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.
- super royal octavo — a book size, 63⁄4 by 101⁄4 inches
- 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.
- talk of the devil! — used when an absent person who has been the subject of conversation appears
- 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.
- 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 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 play favourites — to display favouritism
- 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.
- too clever by half — If someone is too clever by half, they are very clever and they show their cleverness in a way that annoys other people.
- townsend avalanche — avalanche (def 3).
- transylvanian alps — a mountain range in S Romania; a SW extension of the Carpathian Mountains. Highest peak: Mount Negoiu, 2548 m (8360 ft)
- traveling salesman — a male representative of a business firm who travels in an assigned territory soliciting orders for a company's products or services.
- traveller's cheque — Traveller's cheques are cheques that you buy at a bank and take with you when you travel, for example so that you can exchange them for the currency of the country that you are in.
- travelling library — a mobile library in which a vehicle such as a van delivers books to be borrowed
- tristimulus values — three values that together are used to describe a colour and are the amounts of three reference colours that can be mixed to give the same visual sensation as the colour considered
- 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.
- ulcerative colitis — chronic ulceration in the large intestine, characterized by painful abdominal cramps and profuse diarrhea containing pus, blood, and mucus.
- ultraviolet filter — a filter used on a lens to absorb ultraviolet radiation that may impart an undesirable blue cast to a photograph.
- 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.
- universal suffrage — suffrage for all persons over a certain age, usually 18 or 21, who in other respects satisfy the requirements established by law.