19-letter words containing e, c, l
- mercurial barometer — mercury barometer.
- mercury-vapour lamp — a lamp in which an electric discharge through a low pressure of mercury vapour is used to produce a greenish-blue light. It is used for street lighting and is also a source of ultraviolet radiation
- meter-candle-second — a unit of light-exposure equivalent to one lux for one second.
- methyl methacrylate — a colorless, volatile, flammable, water-insoluble, liquid, unsaturated ester, C 5 H 8 O 2 , that polymerizes readily to a clear plastic.
- metropolitan county — (in England) any of the six conurbations established as administrative units in the new local government system in 1974; the metropolitan county councils were abolished in 1986
- mexican bean beetle — a ladybird beetle, Epilachna varivestis, introduced into the U.S. from Mexico, that feeds on the foliage of the bean plant.
- microelectronically — by microcircuits
- middle palaeolithic — the period between the Lower and the Upper Palaeolithic, usually taken as equivalent to the Mousterian
- miracle of st. mark — a painting (1548) by Tintoretto.
- miscellaneous items — various kinds of thing, esp small purchases
- molar heat capacity — the heat capacity of one mole of a substance.
- molecular astronomy — the branch of astronomy dealing with the study of molecules in space.
- molecular biologist — a specialist in the study of biological phenomena at the molecular level
- mordvinian republic — a constituent republic of W central Russia, in the middle Volga basin. Capital: Saransk. Pop: 888 700 (2002). Area: 26 200 sq km (10 110 sq miles)
- moses-in-the-cradle — a plant, Rhoeo spathacea, native to the West Indies and Central America, having leaves with purple undersides and white flowers enclosed in a boat-shaped envelope formed by two bracts.
- mucopolysaccharides — Plural form of mucopolysaccharide.
- muhammadan calendar — Muslim calendar.
- multiplexor channel — (MPX) mainframe terminology for a slow peripheral device connection, e.g. for a printer, operator console, or card reader.
- naberezhniye chelny — city in E European Russia, on the Kama River: pop. 514,000
- nagling coalescence — (networking, algorithm) An algorithm for improving TCP/IP network performance by combining small packets ("tinygrams") into larger ones, thus reducing the per-packet overhead. The server transmits the packet either when it has reached a preset size or when it receives an acknowledgment of the previous packet.
- national assistance — (in Britain) formerly a weekly allowance paid to certain people by the state to bring their incomes up to minimum levels established by law
- national characters — (character) Characters with accents and other diacritical marks that are used in certain written languages (that are based on the Roman alphabet) but not in others, particularly not in English. A standard list is ISO Latin 1.
- national convention — French History. the legislature of France 1792–95.
- national serviceman — a soldier undertaking compulsory military service
- natural catastrophe — A natural catastrophe is an unexpected event, caused by nature, such as an earthquake or flood, in which there is a lot of suffering, damage, or death.
- natural killer cell — a small killer cell that destroys virus-infected cells or tumor cells without activation by an immune system cell or antibody.
- neufchâtel (cheese) — a soft white cheese prepared from whole milk or skim milk and eaten fresh or cured
- neuropathologically — In a neuropathologic way.
- neville chamberlain — (Arthur) Neville, 1869–1940, British statesman: prime minister 1937–40.
- new economic policy — (in the Soviet Union) a program in effect from 1921 to 1928, reviving the wage system and private ownership of some factories and businesses, and abandoning grain requisitions.
- new general catalog — a catalog of star clusters, galaxies, and other non-stellar objects, published in 1888
- new zealand spinach — a plant, Tetragonia tetragonioides, of warm regions, cultivated for its edible leaves, eaten as a vegetable.
- newcastle upon tyne — 1st Duke of, Pelham-Holles, Thomas.
- newtonian telescope — a reflecting telescope in which a mirror or reflecting prism is mounted on the axis near the eyepiece so that the image may be viewed from outside the telescope tube at right angles to the axis.
- niccolo machiavelli — Niccolò di Bernardo [neek-kaw-law dee ber-nahr-daw] /ˌnik kɔˈlɔ di bɛrˈnɑr dɔ/ (Show IPA), 1469–1527, Italian statesman, political philosopher, and author.
- nicolaus copernicus — Nicolaus [nik-uh-ley-uh s] /ˌnɪk əˈleɪ əs/ (Show IPA), (Mikolaj Kopernik) 1473–1543, Polish astronomer who promulgated the now accepted theory that the earth and the other planets move around the sun (the Copernican System)
- no-write allocation — (memory management) A cache policy where only processor reads are cached, thus avoiding the need for write-back or write-through.
- non-confidentiality — spoken, written, acted on, etc., in strict privacy or secrecy; secret: a confidential remark.
- nonmaterial culture — the aggregate of values, mores, norms, etc., of a society; the ideational structure of a culture that provides the values and meanings by which it functions.
- nonplayer character — a character in a tabletop role-playing game who is controlled by the Game Master.
- north-central state — a state of N Nigeria. Capital: Kaduna. Pop: 4 438 007 (1995 est). Area: 46 053 sq km (17 781 sq miles)
- not for much longer — if something will not happen for much longer, it will soon stop happening
- nuclear disarmament — the gradual reduction and eventual elimination of all nuclear weapons in the world
- nuclear power plant — factory that generates atomic energy
- object-oriented sql — (language) (OSQL) A functional language, a superset of SQL, used in Hewlett-Packard's OpenODB database system.
- obsolescence clause — a clause in an insurance policy that takes account of the obsolescence of the item insured in order to lower the amount to be paid out in the event of a claim
- occupational health — Occupational health is the branch of medicine that deals with the health of people in their workplace or in relation to their job.
- oceanus procellarum — (Ocean of Storms) the largest dark plain on the face of the moon, in the second and third quadrants: about 2 million square miles (5.2 million sq. km).
- off-highway vehicle — An off-highway vehicle is a vehicle, such as one used for construction or agriculture, that is intended for use on steep or uneven ground.
- office-block ballot — a ballot on which the candidates are listed alphabetically, with or without their party designations, in columns under the office for which they were nominated.