18-letter words containing r, v, a, l, u, e
- account receivable — a current asset account showing amounts payable to a firm by customers who have made purchases of goods and services on credit
- aggravated assault — an offence in which a person attacks someone physically, made more serious by its violent circumstances
- aids-related virus — a variant of the AIDS virus. Abbreviation: ARV.
- anti-revolutionary — of, pertaining to, characterized by, or of the nature of a revolution, or a sudden, complete, or marked change: a revolutionary junta.
- augmented interval — an interval that is a half step greater than the corresponding major or perfect interval
- axis of revolution — an axis in a plane, about which an area is revolved to form a solid of revolution.
- concrete universal — a principle that necessarily has universal import but is also concrete by virtue of its arising in historical situations.
- cultural diversity — the cultural variety and cultural differences that exist in the world, a society, or an institution: Dying languages and urbanization are threats to cultural diversity.
- cultural universal — a cultural pattern extant in every known society.
- cumulative scoring — a method of scoring in which the score of a partnership is taken as the sum of their scores on all hands played.
- curvature of field — a monochromatic aberration of a lens or other optical system in which the focal surface is curved, the refracted image of an object oriented perpendicular to the axis of the lens lying on a curved surface rather than in a plane perpendicular to the axis.
- death-valley curve — a curve on a graph showing how the capital of a new company plotted against time declines sharply as the venture capital is used up before income reaches predicted levels
- delmarva peninsula — a peninsula of the northeast US, between Chesapeake Bay and the Atlantic
- descriptive clause — a relative clause that describes or supplements but is not essential in establishing the identity of the antecedent and is usually set off by commas in English. In This year, which has been dry, is bad for crops the clause which has been dry is a nonrestrictive clause.
- devil's paintbrush — a perennial European hawkweed (Hieracium aurantiacum) with leafless flower stalks bearing a cluster of orange-red heads: now a common weed in N U.S. and Canada
- equivalent circuit — an arrangement of simple electrical components that is electrically equivalent to a complex circuit and is used to simplify circuit analysis
- evolution strategy — (ES) A kind of evolutionary algorithm where individuals (potential solutions) are encoded by a set of real-valued "object variables" (the individual's "genome"). For each object variable an individual also has a "strategy variable" which determines the degree of mutation to be applied to the corresponding object variable. The strategy variables also mutate, allowing the rate of mutation of the object variables to vary. An ES is characterised by the population size, the number of offspring produced in each generation and whether the new population is selected from parents and offspring or only from the offspring. ES were invented in 1963 by Ingo Rechenberg, Hans-Paul Schwefel at the Technical University of Berlin (TUB) while searching for the optimal shapes of bodies in a flow.
- formal equivalence — the relation that holds between two open sentences when their universal closures are materially equivalent
- gulliver's travels — a social and political satire (1726) by Jonathan Swift, narrating the voyages of Lemuel Gulliver to four imaginary regions: Lilliput, Brobdingnag, Laputa, and the land of the Houyhnhnms.
- heimlich manoeuvre — a technique in first aid to dislodge a foreign body in a person's windpipe by applying sudden upward pressure on the upper abdomen
- individual liberty — the liberty of an individual to exercise freely those rights generally accepted as being outside of governmental control.
- inductive relation — A relation R between domains D and E is inductive if for all chains d1 .. dn in D and e1 .. en in E,
- 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.
- involuntary muscle — muscle: contracts involuntarily
- irregular variable — a variable star whose brightness variation is irregular.
- iverson's language — APL, which went unnamed for many years.
- language universal — a trait or property of language that exists, or has the potential to exist, in all languages.
- leave in the lurch — a situation at the close of various games in which the loser scores nothing or is far behind the opponent.
- lunitidal interval — the period of time between the moon's transit and the next high lunar tide.
- mercury-vapor lamp — a lamp producing a light with a high actinic and ultraviolet content by means of an electric arc in mercury vapor.
- mordovian republic — a constituent republic of W central Russia, in the middle Volga basin. Capital: Saransk. Pop: 888 700 (2002). Area: 26 200 sq km (10 110 sq miles)
- mutually recursive — recursion
- natural convection — Natural convection is the loss of heat from a hot solid or liquid into air which is not artificially agitated.
- naval architecture — the science of designing ships and other waterborne craft.
- neovascularization — the development of new blood vessels, especially in tissues where circulation has been impaired by trauma or disease.
- neurodevelopmental — Of or pertaining to the development of neurological pathways in the brain.
- nueva san salvador — Santa Tecla.
- parallel evolution — the independent development of closely corresponding adaptive features in two or more groups of organisms that occupy different but equivalent habitats, as marsupial mammals in Australia and placental mammals on other continents.
- partial evaluation — (compiler, algorithm) (Or "specialisation") An optimisation technique where the compiler evaluates some subexpressions at compile-time. For example, Partial evaluation might change the termination properties of the program if, for example, the expression (x * 0) was reduced to 0 it would terminate even if x (and thus x * 0) did not. It may be necessary to reorder an expression to partially evaluate it, e.g. f x y = (x + y) + 1 g z = f 3 z If we rewrite f: f x y = (x + 1) + y then the expression x+1 becomes a constant for the function g and we can say g z = f 3 z = (3 + 1) + z = 4 + z Partial evaluation of built-in functions applied to constant arguments is known as constant folding. See also full laziness.
- particular average — a loss at sea, as through accident or negligence, that is borne solely by the owner of the lost property. Abbreviation: P.A.
- 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
- post-revolutionary — of, pertaining to, characterized by, or of the nature of a revolution, or a sudden, complete, or marked change: a revolutionary junta.
- provascular tissue — procambium.
- 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.
- quarter-wave plate — a crystal thin enough to cause a phase difference of 90° between the ordinary and extraordinary rays of polarized light, thereby converting circularly polarized light into plane polarized light.
- 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.
- 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.
- revolutionary wars — American Revolution.
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