20-letter words containing a, c, o, u, n
- counterrevolutionary — Counterrevolutionary activities are activities intended to reverse the effects of a previous revolution.
- crude oil evaluation — Crude oil evaluation is the process of assessing the chemical and physical properties of crude oil, against particular standards.
- cut one's own throat — to be the means of one's own ruin
- cut the gordian knot — to find a quick, bold solution for a perplexing problem
- cycloidal propulsion — propulsion of a vessel by propellers of controllable pitch that steer as well as propel.
- declaratory judgment — a judgment that merely decides the rights of parties in a given transaction, situation, or dispute but does not order any action or award damages.
- dictionary catalogue — a catalogue of the authors, titles, and subjects of books in one alphabetical sequence
- dirac delta function — delta function.
- directory user agent — (DUA) The software that accesses the X.500 Directory Service on behalf of the directory user. The directory user may be a person or another software element.
- discounted cash flow — a technique for appraising an investment that takes into account the different values of future returns according to when they will be received
- distribution channel — trade: retailer
- documentary evidence — law: written
- drum and bugle corps — a marching band of drum players and buglers.
- duck-billed dinosaur — hadrosaur.
- education department — the department of a local authority that is concerned with education, or the government department concerned with education
- educational quotient — a numerical measure of an educational system's effectiveness, based on standardized test scores, graduation rate, and other factors.
- electoral boundaries — the way that a country or area is divided for the purposes of voting in an election
- electromagnetic pump — a device for pumping liquid metals by placing a pipe between the poles of an electromagnet and passing a current through the liquid metal
- electromagnetic unit — any unit that belongs to a system of electrical cgs units in which the magnetic constant is given the value of unity and is taken as a pure number
- electronic signature — electronic proof of a person's identity
- elementary education — the first six to eight years of a child's education
- entry qualifications — the qualifications people wishing to enter an organization, university, etc, have to have
- equilibrium constant — The equilibrium constant is the ratio between the amount of reactants and the amount of product for a particular chemical reaction, used to calculate chemical behavior.
- equivalence relation — (mathematics) A relation R on a set including elements a, b, c, which is reflexive (a R a), symmetric (a R b => b R a) and transitive (a R b R c => a R c). An equivalence relation defines an equivalence class. See also partial equivalence relation.
- erythema infectiosum — a mild infectious disease of childhood, caused by a virus, characterized by fever and a red rash spreading from the cheeks to the limbs and trunk
- european social fund — one of the four Structural Funds of the European Union which aims to support employment and the economic and social well-being of EU member countries
- factor of production — any instrument, agent, etc., employed in the production of goods and services.
- federal constitution — Constitution of the United States.
- financial accounting — the work of preparing financial statements showing the financial performance of an organization for the benefit of people outside the organization and not involved in its day-to-day operation
- financial consultant — A financial consultant is the same as a financial adviser.
- flame-fusion process — Verneuil process.
- fontainebleau school — a group of artists, many of them Italian and Flemish, who worked on the decorations of the palace of Fontainebleau in the 16th century.
- fractionating column — a long vertical cylinder used in fractional distillation, in which internal reflux enables separation of high and low boiling fractions to take place
- frequency modulation — FM.
- friar minor capuchin — capuchin (def 4).
- frontenac et palluau — Comte de (Louis de Buade) 1620?–98, French governor of New France 1672–82, 1689–98.
- fulminate of mercury — a gray, crystalline solid, Hg(CNO) 2 , used chiefly in the manufacture of commercial and military detonators.
- fulminating compound — a fulminate.
- function application — A function applied to (some of) its arguments. If it is not applied to all its argument then it is a "partial application". Application is usually written in the form f(x) but some languages such as command-line interpreters and many functional languages use juxtaposition: f x. Lisp places the parentheses around the whole application: (f x).
- fundamental constant — a physical constant, such as the gravitational constant or speed of light, that plays a fundamental role in physics and chemistry and usually has an accurately known value
- get one's hackles up — to become tense with anger; bristle
- glucosamine sulphate — a compound used in some herbal remedies and dietary supplements, esp to strengthen joint cartilage
- gorno-altai republic — a constituent republic of S Russia: mountainous, rising over 4350 m (14 500 ft) in the Altai Mountains of the south. Capital: Gorno-Altaisk. Pop: 202 900 (2002). Area: 92 600 sq km (35 740 sq miles)
- greenwich hour angle — hour angle measured from the meridian of Greenwich, England.
- group life insurance — a form of life insurance available to members of a group, typically employees of a company, under a master policy.
- guarded horn clauses — (language) (GHC) A parallel dialect of Prolog by K. Ueda in which each clause has a guard. GHC is similar to Parlog. When several clauses match a goal, their guards are evaluated in parallel and the first clause whose guard is found to be true is used and others are rejected. It uses committed-choice nondeterminism. See also FGHC, KL1.
- hampton court palace — a royal palace in Hampton, London, built in 1515 by Cardinal Wolsey
- hierarchical routing — The complex problem of routing on large networks can be simplified by breaking a network into a hierarchy of smaller networks, where each level is responsible for its own routing. The Internet has, basically, three levels: the backbones, the mid-levels, and the stub networks. The backbones know how to route between the mid-levels, the mid-levels know how to route between the sites, and each site (being an autonomous system) knows how to route internally. See also Exterior Gateway Protocol, Interior Gateway Protocol, transit network.
- hit the panic button — an alarm button for use in an emergency, as to summon help.
- honeysuckle ornament — anthemion.