18-letter words containing a, v, i

research-intensive — focusing financial and other resources on research and development as opposed to capital and labor; noting or pertaining to a high ratio of expenditure on research in relation to the value of net output.
restrictive clause — a relative clause that identifies the antecedent and that is usually not set off by commas in English. In The year that just ended was bad for crops, the clause that just ended is a restrictive clause.
reverberation time — the time it takes for a sound made in a room to diminish by 60 decibels.
reversionary bonus — a bonus added to the sum payable on death or at the maturity of a with-profits assurance policy
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
saint vitus' dance — chorea (def 2).
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
second triumvirate — the coalition and joint rule of the Roman Empire by Antony, Lepidus, and Octavian, begun in 43 bc
secondary deviance — deviant behavior that results from being publicly labeled as deviant and treated as an outsider.
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.
service department — a repair shop
sesto san giovanni — a city in Lombardy, N Italy: a suburb of Milan.
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.
simone de beauvoir — Simone [see-mawn] /siˈmɔn/ (Show IPA), (Lucie Ernestine Marie Bertrand) 1908–86, French playwright, novelist, and essayist.
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 deviation — a measure of dispersion in a frequency distribution, equal to the square root of the mean of the squares of the deviations from the arithmetic mean of the distribution.
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.
superior vena cava — See under vena cava.
supportive therapy — any treatment, such as the intravenous administration of certain fluids, designed to reinforce or sustain the physiological well-being of a patient
survival mechanism — something you or your body does automatically, in order to survive in a dangerous or unpleasant situation
take a dim view of — not bright; obscure from lack of light or emitted light: a dim room; a dim flashlight.
talk of the devil! — used when an absent person who has been the subject of conversation appears
tardive dyskinesia — a disorder characterized by restlessness and involuntary rolling of the tongue or twitching of the face, trunk, or limbs, usually occurring as a complication of long-term therapy with antipsychotic drugs.
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
the french riviera — the Mediterranean coastal region of France from Cannes eastward to Italy
the operative word — If you describe a word as the operative word, you want to draw attention to it because you think it is important or exactly true in a particular situation.
thiruvananthapuram — a state in SW India: formerly the regions of Travancore and Cochin. 15,005 sq. mi. (38,836 sq. km). Capital: Thiruvananthapuram.
thomas alva edison — Thomas Alva [al-vuh] /ˈæl və/ (Show IPA), 1847–1931, U.S. inventor, especially of electrical devices.
three-day eventing — participation in a three day equestrian competition consisting of dressage, cross-country jumping, and stadium jumping
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.
to take a dim view — If you take a dim view or a poor view of someone or something, you disapprove of them or have a low opinion of them.
transverse section — cross section (def 1).

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