18-letter words containing s, l, a, v
- industrial vehicle — a vehicle designed for use in industry
- inverse square law — one of several laws relating two quantities such that one quantity varies inversely as the square of the other, as the law that the illumination produced on a screen by a point source varies inversely as the square of the distance of the screen from the source.
- investment analyst — a specialist in forecasting the prices of stocks and shares
- invisible earnings — earnings from services provided rather than goods
- involuntary muscle — muscle: contracts involuntarily
- iverson's language — APL, which went unnamed for many years.
- jacksonville beach — a city in NE Florida.
- language universal — a trait or property of language that exists, or has the potential to exist, in all languages.
- leave sth too late — If you leave something too late, you delay doing it so that when you eventually do it, it is useless or ineffective.
- legislative branch — the branch of government having the power to make laws; the legislature.
- lifesaving service — a private organization or government agency for general marine rescue operations.
- limestone pavement — a horizontal surface of exposed limestone in which the joints have been enlarged, cutting the surface into roughly rectangular blocks
- linear perspective — a mathematical system for representing three-dimensional objects and space on a two-dimensional surface by means of intersecting lines that are drawn vertically and horizontally and that radiate from one point (one-point perspective) two points (two-point perspective) or several points on a horizon line as perceived by a viewer imagined in an arbitrarily fixed position.
- logical positivism — a philosophical movement that stresses the function of philosophy as a method of criticizing and analyzing science and that rejects all transcendental metaphysics, statements of fact being held to be meaningful only if they have verifiable consequences in experience and in statements of logic, mathematics, or philosophy itself, and with such statements of fact deriving their validity from the rules of language.
- logical positivist — an exponent or follower of logical positivism
- lowell observatory — the astronomical observatory, situated in Flagstaff, Arizona, at which Pluto was discovered in 1930.
- maksutov telescope — a reflecting telescope in which coma and spherical aberration are reduced to a minimum by a combination of a spherical mirror and a meniscus lens placed inside the radius of curvature of the mirror.
- margaret of valois — ("Queen Margot") 1533–1615, 1st wife of Henry IV of France: queen of Navarre; patron of science and literature (daughter of Henry II of France and Catherine de' Medici).
- melville peninsula — a peninsula in N Canada, SE of the Gulf of Boothia. 250 miles (405 km) long.
- menendez de aviles — Pedro [pe-th raw] /ˈpɛ ðrɔ/ (Show IPA), 1519–74, Spanish admiral and colonizer: founder of St. Augustine, Florida 1565.
- mental reservation — an unexpressed doubt or qualification about a situation, person, etc.
- minimally invasive — (of medical treatments or procedures) requiring only a small incision or the insertion of an instrument into a body cavity; involving minimal damage of body tissue: minimally invasive endoscopy.
- move the goalposts — to change the aims of an activity to ensure the desired results
- mutually exclusive — of or relating to a situation involving two or more events, possibilities, etc., in which the occurrence of one precludes the occurrence of the other: mutually exclusive plans of action.
- mutually recursive — recursion
- negative cash flow — the situation when income is less than payments
- neovascularization — the development of new blood vessels, especially in tissues where circulation has been impaired by trauma or disease.
- non-conversational — able or ready to converse; given to conversation.
- northern transvaal — province of South Africa, in the N part: 47,599 sq mi (123,280 sq km); pop. 5,202,000; cap. Pietersburg
- nova scotia salmon — an Atlantic salmon, especially from the waters off Nova Scotia, cured in the local manner.
- nueva san salvador — Santa Tecla.
- objective idealism — a form of idealism asserting that the act of experiencing has a reality combining and transcending the natures of the object experienced and of the mind of the observer.
- offensive material — any published or broadcast content (such as articles, photographs, films, or websites) that is likely to be upsetting, insulting, or objectionable to some or most people
- one false move and — You use one false move to introduce the very bad or serious consequences which will result if someone makes a mistake, even a very small one.
- optical disc drive — optical disk drive
- optical disk drive — (hardware) (Or "optical disc drive", "optical storage") A generic term for any device that reads and/or writes optical media, i.e. compact discs, DVDs and/or Blu-ray discs or future media that uses light (from a small laser) to read data off a removable, rotating disk. At least one such drive is commonly installed in most personal computers to allow them to play and/or record audio and video media and load and store data such as program installers. The floppy disk has been replaced by optical media due to its vastly greater capacity, e.g. 50,000 megabytes for a dual-layer blu-ray disc compared with 1.5 megabytes for a floppy (over 30,000 times as much).
- overspecialization — excessive specialization, as in a field of study.
- passive vocabulary — all the words, collectively, that a person can understand
- pemphigus vulgaris — a potentially fatal blistering skin disease, characterized by large blisters on the skin, mucous membranes of the mouth, genitals, intestines, etc, which eventually rupture and form painful denuded areas from which critical amounts of bodily protein, fluid, and blood may be lost
- pennsylvania dutch — the descendants of 17th- and 18th-century settlers in Pennsylvania from southwest Germany and Switzerland.
- physical inventory — To carry out a physical inventory is to count all the stock on hand.
- positively charged — having a positive charge
- post-revolutionary — of, pertaining to, characterized by, or of the nature of a revolution, or a sudden, complete, or marked change: a revolutionary junta.
- postviral syndrome — debilitating condition occurring as a sequel to viral illness
- prepositional verb — a combination of verb and preposition, often with idiomatic meaning, differing from other phrasal verbs in that an object must always follow the preposition, as take after in The children take after their mother.
- provascular tissue — procambium.
- psychogalvanometer — a type of galvanometer for detecting and measuring psychogalvanic currents.
- 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)
- 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.