18-letter words containing e, v, n, f
- advanced waveffect — (multimedia, music, hardware) (AWE) The kind of synthesis used by the EMU 8000 music synthesizer integrated circuit found on the SB AWE32 card.
- affirmative action — Affirmative action is the policy of giving jobs and other opportunities to members of groups such as racial minorities or women who might not otherwise have them.
- angle of deviation — the angle between the direction of the refracted ray and the direction of the incident ray when a ray of light passes from one medium to another
- angle of elevation — elevation (def 8a).
- antivirus software — (tool) Programs to detect and remove computer viruses. The simplest kind scans executable files and boot blocks for a list of known viruses. Others are constantly active, attempting to detect the actions of general classes of viruses. antivirus software should always include a regular update service allowing it to keep up with the latest viruses as they are released.
- axis of revolution — an axis in a plane, about which an area is revolved to form a solid of revolution.
- biodiversification — the process by which the diversity of plants or animals develops or is increased within a particular region or group of organisms.
- board of governors — a group of people who oversee the running of a school
- check verification — Check verification is a system that checks national databases of information about individuals to make sure that checks will be honored and fraud is not being committed.
- congress of vienna — the European conference held at Vienna from 1814–15 to settle the territorial problems left by the Napoleonic Wars
- constructive proof — (mathematics) A proof that something exists that provides an example or a method for actually constructing it. For example, for any pair of finite real numbers n < 0 and p > 0, there exists a real number 0 < k < 1 such that f(k) = (1-k)*n + k*p = 0. A constructive proof would proceed by rearranging the above to derive an equation for k: k = 1/(1-n/p) From this and the constraints on n and p, we can show that 0 < k < 1. A few mathematicians actually reject *all* non-constructive arguments as invalid; this means, for instance, that the law of the excluded middle (either P or not-P must hold, whatever P is) has to go; this makes proof by contradiction invalid. See intuitionistic logic. Constructive proofs are popular in theoretical computer science, both because computer scientists are less given to abstraction than mathematicians and because intuitionistic logic turns out to be an appropriate theoretical treatment of the foundations of computer science.
- defensive medicine — the practice by a doctor of ordering extensive, often unnecessary tests in order to minimize liability if accused of negligence
- definitive plumage — the plumage of a bird that, once attained, does not change significantly in color or pattern for the rest of the bird's life.
- deliver oneself of — to speak with deliberation or at length
- essence of violets — an alcoholic solution derived from violets, used as perfume
- federal government — pertaining to or of the nature of a union of states under a central government distinct from the individual governments of the separate states, as in federal government; federal system.
- 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.
- five hundred rummy — a variety of rummy in which the winner is the first player to score 500 points.
- for heaven's sake! — a mild exclamation of surprise, annoyance, etc.
- forced development — the processing of underexposed photographic film to increase the image density
- 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
- fuel-saving device — a device that increases the fuel efficiency of a vehicle, so that it uses less fuel for a further distance
- give a person five — to greet or congratulate someone by slapping raised hands
- government deficit — A government deficit is a situation in which a government spends more money than it has.
- gulf saint vincent — a shallow inlet of SE South Australia, to the east of the Yorke Peninsula: salt industry
- half-open interval — a set of numbers between two given numbers but including only one endpoint.
- have eyes only for — the organ of sight, in vertebrates typically one of a pair of spherical bodies contained in an orbit of the skull and in humans appearing externally as a dense, white, curved membrane, or sclera, surrounding a circular, colored portion, or iris, that is covered by a clear, curved membrane, or cornea, and in the center of which is an opening, or pupil, through which light passes to the retina.
- in the affirmative — positively, by saying yes
- in the vicinity of — near to, in the area around
- inferior vena cava — See under vena cava.
- intermittent fever — a malarial fever in which feverish periods lasting a few hours alternate with periods in which the temperature is normal.
- invalidity benefit — (formerly, in the British National Insurance scheme) a weekly payment to a person who had been off work through illness for more than six months: replaced by incapacity benefit in 1995
- lifesaving service — a private organization or government agency for general marine rescue operations.
- merchant of venice — a comedy (1596?) by Shakespeare.
- negative cash flow — the situation when income is less than payments
- non-self-governing — governed by itself or having self-government, as a state or community; independent.
- 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.
- overdraft interest — interest charged on money withdrawn in excess of the credit balance of a bank or building society account
- overidentification — an act or instance of identifying; the state of being identified.
- raffinate recovery — Raffinate recovery is the use of a substance which is left after a process is complete and the desired substances have been removed.
- recursive function — a function defined in terms of the repeated application of a number of simpler functions to their own values, by specifying a base clause and a recursion formula
- 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.
- room for manoeuvre — If you have room for manoeuvre, you have the opportunity to change your plans if it becomes necessary or desirable.
- self-advertisement — a paid announcement, as of goods for sale, in newspapers or magazines, on radio or television, etc.
- significance level — (in the statistical test of a hypothesis) the maximum probability of a Type I error for all distributions consistent with the null hypothesis.
- 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.
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