18-letter words containing v, i, r
- driver's education — high-school driving classes
- driving instructor — sb who teaches people to drive
- 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.
- ecosystem services — the important benefits for human beings that arise from healthily functioning ecosystems, notably production of oxygen, soil genesis, and water detoxification
- elizabeth petrovna — 1709-62; empress of Russia (1741-62): daughter of Peter I
- emergency services — The emergency services are the public organizations whose job is to take quick action to deal with emergencies when they occur, especially the fire brigade, the police, and the ambulance service.
- emergent evolution — the doctrine that, in the course of evolution, some entirely new properties, such as life and consciousness, appear at certain critical points, usually because of an unpredictable rearrangement of the already existing entities
- employment service — (in the United States) a government department established to collect and supply to the unemployed information about job vacancies and to employers information about availability of prospective workers
- 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
- equine herpesvirus — a viral disease of horses that may cause respiratory signs, abortion, neonatal death, and paresis. A vaccine is available against this 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.
- exclusive brethren — one of the two main divisions of the Plymouth Brethren, which, in contrast to the Open Brethren, restricts its members' contacts with those outside the sect
- executive chairman — the most senior internal position within a company, combining the duties of chairman and chief executive
- executive director — a member of the board of directors of a company who is also an employee (usually full-time) of that company and who often has a specified area of responsibility, such as finance or production
- executive producer — a producer of a film or television programme who is involved with business or technical issues rather than the technical aspects of film or television production
- 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.
- fissure of sylvius — lateral fissure.
- five hundred rummy — a variety of rummy in which the winner is the first player to score 500 points.
- forced perspective — the use of objects or images that are larger or smaller than they should be, to suggest that they are nearer or further away than they really are
- foreign investment — investment from foreign countries
- forgive and forget — be reconciled
- formal equivalence — the relation that holds between two open sentences when their universal closures are materially equivalent
- galvanic corrosion — Galvanic corrosion is a type of corrosion caused by bringing together two different metals, one of which corrodes more rapidly than it would alone while the other corrodes less rapidly.
- 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.
- geodetic surveying — the surveying of the earth's surface, making allowance for its curvature and giving an accurate framework for smaller-scale surveys
- give a person five — to greet or congratulate someone by slapping raised hands
- give sb the creeps — If someone or something gives you the creeps, they make you feel very nervous or frightened.
- 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
- give someone curry — to assault (a person) verbally or physically
- government deficit — A government deficit is a situation in which a government spends more money than it has.
- government housing — housing owned and managed by the federal or state government, which is rented out to tenants, esp as a form of affordable housing
- governor's council — a council chosen to assist or inform a governor on legislative or executive matters.
- 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 mass — the mass of a body as measured by its gravitational attraction for other bodies.
- gravitational pull — force of gravity
- 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.
- 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.
- haemorrhagic fever — any of a group of fevers, such as Ebola virus disease and yellow fever, characterized by internal bleeding or bleeding into the skin
- half-open interval — a set of numbers between two given numbers but including only one endpoint.
- have words with sb — If one person has words with another, or if two or more people have words, they have a serious discussion or argument, especially because one has complained about the other's behaviour.
- 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