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18-letter words containing a, v, e, i, r

  • conductivity water — water that has a conductivity of less than 0.043 × 10–6 S cm–1
  • congress of vienna — the European conference held at Vienna from 1814–15 to settle the territorial problems left by the Napoleonic Wars
  • conservation grade — relating to food produced using traditional methods where possible, and following strict specifications regarding animal feeds and welfare, the use of chemical fertilizers, wildlife conservation, and land management
  • conservative party — The Conservative Party is the main right-of-centre party in Britain.
  • contrastive stress — a stress imposed on a word or syllable contrary to its normal accentuation in order to contrast it with an alternative word or syllable or to focus attention on it, as the stress given to the normally unstressed word of in government of the people, by the people, for the people in order to point up the parallel between of, by, and for and to distinguish of from words such as over or against.
  • convenience market — the area of business which involves selling convenience foods
  • conversation chair — an English chair of the 18th century designed to be straddled facing the back of the chair with the elbows resting on the crest rail: an English imitation of the voyeuse.
  • conversation class — a class in which one learns to speak a foreign language
  • conversation piece — something, esp an unusual object, that provokes conversation
  • conversationalists — Plural form of conversationalist.
  • 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.
  • david lloyd george — David, 1st Earl of Dwyfor [doo-vawr] /ˈdu vɔr/ (Show IPA), 1863–1945, British statesman: prime minister 1916–22.
  • delmarva peninsula — a peninsula of the northeast US, between Chesapeake Bay and the Atlantic
  • dependent variable — a variable in a mathematical equation or statement whose value depends on that taken on by the independent variable
  • 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.
  • detective sergeant — a police officer who investigates crime and who ranks above a detective constable but below a detective inspector
  • 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
  • digital switchover — the process of changing the method of transmitting television from analogue to digital format
  • diphtheria vaccine — a vaccine used to produce immunity against diphtheria
  • diplomatic service — diplomatic corps
  • distracted driving — driving a vehicle while engaging in an activity that has the potential to distract the driver from the task of driving: Bans on cell phone use in cars will help to reduce the dangers of distracted driving.
  • divine inspiration — insight provided by higher power
  • domain name server — (spelling)   Domain Name System.
  • dragline excavator — a power shovel that operates by being dragged by cables at the end of an arm or jib: used for quarrying, opencast mining, etc
  • driver's education — high-school driving classes
  • eau de vie de marc — marc (def 2).
  • echeverria alvarez — Luis [lwees] /lwis/ (Show IPA), born 1922, Mexican political leader: president 1970–76.
  • eclipsing variable — a variable star whose changes in brightness are caused by periodic eclipses of two stars in a binary system.
  • elizabeth petrovna — 1709-62; empress of Russia (1741-62): daughter of Peter I
  • environment agency — an official agency providing information on environmental issues, esp rivers, flooding and pollution
  • epstein-barr virus — a virus belonging to the herpes family that causes infectious mononucleosis; it is also implicated in the development of Burkitt's lymphoma and Hodgkin's disease
  • equivalent circuit — an arrangement of simple electrical components that is electrically equivalent to a complex circuit and is used to simplify circuit analysis
  • evapotranspiration — The process by which water is transferred from the land to the atmosphere by evaporation from the soil and other surfaces and by transpiration from plants.
  • 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.
  • executive chairman — the most senior internal position within a company, combining the duties of chairman and chief executive
  • financial services — A company or organization that provides financial services is able to help you do things such as make investments or buy a pension or mortgage.
  • fischer von erlach — Johann Bernhard [yaw-hahn bern-hahrt] /ˈyɔ hɑn ˈbɛrn hɑrt/ (Show IPA), 1656–1723, Austrian architect.
  • forgive and forget — be reconciled
  • formal equivalence — the relation that holds between two open sentences when their universal closures are materially equivalent
  • general relativity — the state or fact of being relative.
  • generative grammar — a linguistic theory that attempts to describe the tacit knowledge that a native speaker has of a language by establishing a set of explicit, formalized rules that specify or generate all the possible grammatical sentences of a language, while excluding all unacceptable sentences. Compare transformational grammar.
  • give a person five — to greet or congratulate someone by slapping raised hands
  • give sb their head — If you give someone their head, you allow them to do what they want to do, without trying to advise or stop them.
  • give someone a row — to scold someone; tell someone off
  • gravitational lens — a heavy, dense body, as a galaxy, that lies along our line of sight to a more distant object, as a quasar, and whose gravitational field refracts the light of that object, splitting it into multiple images as seen from the earth.
  • gravitational wave — (in general relativity) a propagating wave of gravitational energy produced by accelerating masses, especially during catastrophic events, as the gravitational collapse of massive stars.
  • gravity escapement — an escapement, used especially in large outdoor clocks, in which the impulse is given to the pendulum by means of a weight falling through a certain distance.
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