18-letter words containing o, p, e, n, g, l
- a plague on sb/sth — You say a plague on a particular person or thing when you are very irritated by them and do not want to bother with them any more.
- angular dispersion — a measure of the angular separation of light rays of different wavelength or color traversing a prism or diffraction grating, equal to the rate of change of the angle of deviation with respect to the change in wavelength.
- assignment problem — (mathematics, algorithm) (Or "linear assignment") Any problem involving minimising the sum of C(a, b) over a set P of pairs (a, b) where a is an element of some set A and b is an element of set B, and C is some function, under constraints such as "each element of A must appear exactly once in P" or similarly for B, or both. For example, the a's could be workers and the b's projects. The problem is "linear" because the "cost function" C() depends only on the particular pairing (a, b) and is independent of all other pairings.
- balanced computing — (jargon) Matching computer tools to job activities so that the computer system structure parallels the organisation structure and work functions. Both personal computers and employees operate in a decentralised environment with monitoring of achievement of management objectives from centralised corporate systems.
- band-tailed pigeon — a wild pigeon, Columba fasciata, of western North America, having a gray band on its tail.
- biological parents — the biological mother and father of a child
- compartmentalizing — Present participle of compartmentalize.
- complementary gene — one of a pair of genes, each from different loci, that together are required for the expression of a certain characteristic
- cooling-off period — A cooling-off period is an agreed period of time during which two sides with opposing views try to resolve a dispute before taking any serious action.
- desktop publishing — Desktop publishing is the production of printed materials such as newspapers and magazines using a desktop computer and a laser printer, rather than using conventional printing methods. The abbreviation DTP is also used.
- developing country — a nonindustrialized poor country that is seeking to develop its resources by industrialization
- echoencephalograph — a device that employs reflected ultrasonic waves to examine the position of brain structures.
- eggshell porcelain — a type of very thin translucent porcelain originally made in China
- equinoctial spring — either of the two highest spring tides that occur at the equinoxes
- ethnopsychological — Relating to ethnopsychology.
- farewell-to-spring — a slender, showy plant, Clarkia amoena, of the evening primrose family, native to western North America, having satiny, cup-shaped, lilac-crimson or reddish-pink flowers and roundish fruit.
- free-range poultry — poultry kept in natural nonintensive conditions
- fulminating powder — powder that explodes by percussion.
- gainful employment — an occupation that pays an income
- galilean telescope — a refracting telescope that forms an erect image, consisting of an objective of relatively long focal length that causes light rays to converge and an eyepiece of short focal length that causes them to diverge.
- gene amplification — an increase in the frequency of replication of a DNA segment.
- general precession — the precession that results from both lunisolar precession and planetary precession; precession of the equinoxes.
- glomerulonephritis — a kidney disease affecting the capillaries of the glomeruli, characterized by albuminuria, edema, and hypertension.
- golden opportunity — perfect chance
- helicopter gunship — military attack helicopter
- hepatosplenomegaly — Enlargement of both the liver and spleen.
- houghton-le-spring — a town in N England, in Sunderland unitary authority, Tyne and Wear: coal-mining. Pop: 36 746 (2001)
- inductive coupling — the coupling between two electric circuits through inductances linked by a common changing magnetic field.
- intelligence corps — a military department that gathers and analyzes information
- linear programming — any of several methods for finding where a given linear function of several nonnegative variables assumes an extreme value and for determining the extreme value, the variable usually being subjected to constraints in the form of linear equalities or inequalities.
- logical complement — (logic) In Boolean algebra, the logical complement or negation of a Boolean value is the opposite value, given by the following truth table: A | -A --+--- T | F F | T -A is also written as A with a bar over it or with a small vertical line hanging from the right-hand end of the "-" (LaTeX \neg) or as A'. In the C programming language, it is !A and in digital circuit design, /A.
- magnetic potential — a scalar quantity, analogous to the electric potential, defined at each point in a given magnetic field to be equal to the work done in bringing a unit north pole from infinity to the point.
- mexican gold poppy — an annual wildflower, Eschscholzia mexicana, having orange-gold, cup-shaped flowers, found in dry, mountainous regions of western North America.
- micropalaeontology — the branch of palaeontology concerned with the study of microscopic fossils
- moccasin telegraph — the transmission of rumour or secret information; the grapevine
- morning-after pill — a contraceptive pill containing only an estrogen and used by women within a few hours after sexual intercourse.
- neuroleptanalgesia — a semiconscious nonreactive state induced by certain drug combinations, as fentanyl with droperidol.
- neuroophthalmology — the branch of ophthalmology that deals with the optic nerve and other nervous system structures involved in vision.
- neurophysiological — the branch of physiology dealing with the functions of the nervous system.
- neuropsychological — Of or pertaining to neuropsychology, the relation or combination of brain and mind.
- neutrosophic logic — (logic) (Or "Smarandache logic") A generalisation of fuzzy logic based on Neutrosophy. A proposition is t true, i indeterminate, and f false, where t, i, and f are real values from the ranges T, I, F, with no restriction on T, I, F, or the sum n=t+i+f. Neutrosophic logic thus generalises: - intuitionistic logic, which supports incomplete theories (for 0
- new zealand pigeon — a large fruit-eating native pigeon, Hemiphagia novaeseelandiae, of forest areas
- nonpartisan league — a political organization of farmers, founded in North Dakota in 1915, and extending to many states west of the Mississippi, with the aim of influencing agricultural legislation in state legislatures.
- north polar region — the region of land and water surrounding the North Pole.
- optical brightener — an additive that dyes and brightens fabric or paper
- palaeoanthropology — the branch of anthropology concerned with primitive man
- parallel computing — parallel processing
- parallel importing — the importing of certain goods, esp pharmaceutical drugs, by dealers who undersell local manufacturers
- people trafficking — the practice of bringing immigrants into a country illegally
- percussion flaking — a method of forming a flint tool by striking flakes from a stone core with another stone or a piece of bone or wood.
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