18-letter words containing l, o, u, v
- post-revolutionary — of, pertaining to, characterized by, or of the nature of a revolution, or a sudden, complete, or marked change: a revolutionary junta.
- provably difficult — The set or property of problems for which it can be proven that no polynomial-time algorithm exists, only exponential-time algorithms.
- provascular tissue — procambium.
- provincial council — (formerly) a council administering any of the New Zealand provinces
- public convenience — a rest room, especially at a large public place, as at a railroad station.
- quality of service — (communications, networking) (QoS) The performance properties of a network service, possibly including throughput, transit delay, priority. Some protocols allow packets or streams to include QoS requirements.
- quevedo y villegas — Francisco Gómez de. 1580–1645, Spanish poet and writer, noted for his satires and the picaresque novel La historia de la vida del Buscón (1626)
- 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.
- 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.
- 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
- 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.
- 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
- 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
- teacher evaluation — the process of vetting teachers to maintain teaching standards
- 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 play favourites — to display favouritism
- 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.
- very low frequency — any frequency between 3 and 30 kilohertz. Abbreviation: VLF.
- victor emmanuel ii — 1820–78, king of Sardinia 1849–78; first king of Italy 1861–78.
- video surveillance — a system of monitoring activity in an area or building using a television system in which signals are transmitted from a television camera to the receivers by cables or telephone links forming a closed circuit
- voluntary abortion — abortion (def 1).
- voluntary-abortion — Also called voluntary abortion. the removal of an embryo or fetus from the uterus in order to end a pregnancy.
- you never can tell — If you say 'You never can tell', you mean that the future is always uncertain and it is never possible to know exactly what will happen.