20-letter words containing u, c, l, e
- dictionary catalogue — a catalogue of the authors, titles, and subjects of books in one alphabetical sequence
- digital service unit — data service unit
- dirac delta function — delta function.
- disability insurance — insurance providing income to a policyholder who is disabled and cannot work.
- 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
- displacement current — the rate of change, at any point in space, of electric displacement with time.
- distribution channel — trade: retailer
- distributive lattice — (theory) A lattice for which the least upper bound (lub) and greatest lower bound (glb) operators distribute over one another so that a lub (b glb c) == (a lub c) glb (a lub b) and vice versa. ("lub" and "glb" are written in LateX as \sqcup and \sqcap).
- diverticular disease — any disease of the colon involving the presence of diverticula
- double decomposition — a reaction whose result is the interchange of two parts of two substances to form two new substances, as AgNO 3 + NaCl → AgCl + NaNO 3 .
- double-aspect theory — a monistic theory that holds that mind and body are not distinct substances but merely different aspects of a single substance
- double-trailer truck — tandem trailer (def 1).
- drum and bugle corps — a marching band of drum players and buglers.
- dual in-line package — (hardware) (DIL, DIP) The most common type of package for small and medium scale integrated circuits, with up to about 48 pins. The pins hang vertically from the two long edges of the rectangular package, spaced at intervals of 0.1 inch. The pins fit through holes in the circuit board to which they are soldered or into a socket.
- duck-billed dinosaur — hadrosaur.
- duck-billed platypus — platypus.
- due process (of law) — the course of legal proceedings established by the legal system of a nation or state to protect individual rights
- ecclesiastical court — a church court in ecclesiastical matters, presided over by members of the clergy and usually having no compulsory jurisdiction.
- ecumenical patriarch — the patriarch of Constantinople, regarded as the highest dignitary of the Greek Orthodox Church.
- educational quotient — a numerical measure of an educational system's effectiveness, based on standardized test scores, graduation rate, and other factors.
- effective computable — (theory) A term describing a function for which there is an effective algorithm that correctly calculates the function. The algorithm must consist of a finite sequence of instructions.
- 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.
- equity-linked policy — an insurance or assurance policy in which premiums are invested partially or wholly in ordinary shares for the eventual benefit of the beneficiaries of the policy
- 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.
- 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
- exclusive or circuit — a computer logic circuit having two or more input wires and one output wire and giving a high-voltage output signal if a low-voltage signal is fed to one or more, but not all, of the input wires
- faculty of advocates — the college or society of advocates in Scotland
- federal constitution — Constitution of the United States.
- financial instrument — A financial instrument is a document or contract that can be traded in a market, that represents an asset to one party and a liability or equity to the other.
- 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.
- four-colour glossies — 1. Literature created by marketroids that allegedly contains technical specs but which is in fact as superficial as possible without being totally content-free. "Forget the four-colour glossies, give me the tech ref manuals." Often applied as an indication of superficiality even when the material is printed on ordinary paper in black and white. Four-colour-glossy manuals are *never* useful for finding a problem. 2. [rare] Applied by extension to manual pages that don't contain enough information to diagnose why the program doesn't produce the expected or desired output.
- freefall parachuting — a variety of parachuting in which the jumper manoeuvres in free fall before opening the parachute
- frequency modulation — FM.
- friedrich max müller — Friedrich Max [free-drik maks;; German free-drikh mahks] /ˈfri drɪk mæks;; German ˈfri drɪx mɑks/ (Show IPA), 1823–1900, English Sanskrit scholar and philologist born in Germany.
- frontenac et palluau — Comte de (Louis de Buade) 1620?–98, French governor of New France 1672–82, 1689–98.
- fully-fitted kitchen — a kitchen fitted with units and appliances such as an oven, dishwasher, etc
- fulminate of mercury — a gray, crystalline solid, Hg(CNO) 2 , used chiefly in the manufacture of commercial and military detonators.
- 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
- fundamental particle — elementary particle.
- fundamental research — research carried out to deepen understanding of the fundamental or basic principles of something
- fundamental sequence — an infinite sequence, x 1 , x 2 , …, whose terms are points in Ek, in which there exists a point y such that the limit as n goes to infinity of xn = y if and only if for every ε>0, there exists a number N such that i > N and j > N implies | xi − xj |< ε. Also called Cauchy sequence, convergent sequence. Compare complete (def 10b).
- general public virus — (software, legal) A pejorative name for some versions of the GNU project copyleft or General Public License (GPL), which requires that any tools or application programs incorporating copylefted code must be source-distributed on the same terms as GNU code. Thus it is alleged that the copyleft "infects" software generated with GNU tools, which may in turn infect other software that reuses any of its code.
- get a real computer! — (jargon) A typical hacker response to news that somebody is having trouble getting work done on a toy system or bitty box. The threshold for "real computer" rises with time. As of mid-1993 it meant multi-tasking, with a hard disk, and an address space bigger than 16 megabytes. At this time, according to GLS, computers with character-only displays were verging on "unreal". In 2001, a real computer has a one gigahertz processor, 128 MB of RAM, 20 GB of hard disk, and runs Linux.