19-letter words containing a, l, o, c

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
monoclonal antibody — antibody produced by a laboratory-grown cell clone, either of a hybridoma or a virus-transformed lymphocyte, that is more abundant and uniform than natural antibody and is able to bind specifically to a single site on almost any chosen antigen or reveal previously unknown antigen sites: used as an analytic tool in scientific research and medical diagnosis and potentially important in the treatment of certain diseases. Abbreviation: MAb.
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.
mountain chinchilla — any of several long-tailed rodents of the genus Lagidium, having coarse poor quality fur
mucopolysaccharides — Plural form of mucopolysaccharide.
multiplexor channel — (MPX) mainframe terminology for a slow peripheral device connection, e.g. for a printer, operator console, or card reader.
multiplication sign — Arithmetic. the symbol (⋅), (×), or (∗) between two mathematical expressions, denoting multiplication of the second expression by the first. In certain algebraic notations the sign is suppressed and multiplication is indicated by immediate juxtaposition or contiguity, as in ab.
municipal bond fund — a mutual fund that invests in municipal bonds.
mutual fund company — a company that sells and manages mutual funds
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 coal board — a statutory corporation set up to run Britain's nationalised coal mining industry between 1947 and 1994, at which time the industry was privatized
national convention — French History. the legislature of France 1792–95.
national curriculum — The National Curriculum is the course of study that most school pupils in England and Wales are meant to follow between the ages of 5 and 16.
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.
neuropathologically — In a neuropathologic way.
new general catalog — a catalog of star clusters, galaxies, and other non-stellar objects, published in 1888
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.
non-confrontational — tending toward or ready for confrontation: They came to the meeting with a confrontational attitude.
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 by a long chalk — by no means; not possibly
not much to look at — unattractive or unimpressive
nuclear power plant — factory that generates atomic energy
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 hazard — a danger or hazard to workers that is inherent in a particular occupation: Silicosis is an occupational hazard of miners.
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.
oil-catalyst slurry — Oil-catalyst slurry is a heavy aromatic by-product of a refinery's fluid catalytic cracking unit, that forms a small part of global fuel oil supply.
old church slavonic — the oldest attested Slavic language, an ecclesiastical language written first by Cyril and Methodius in a Bible translation of the 9th century and continued in use for about two centuries. It represents the South Slavic, Bulgarian dialect of 9th-century Salonika with considerable addition of other South and West Slavic elements. Abbreviation: OCS.
old spanish customs — irregular practices among a group of workers to gain increased financial allowances, reduced working hours, etc
olive-backed thrush — Swainson's thrush.
once in a blue moon — very rarely; almost never
open-angle glaucoma — Ophthalmology. abnormally high fluid pressure in the eye, most commonly caused either by blockage of the channel through which aqueous humor drains (open-angle glaucoma or chronic glaucoma) or by pressure of the iris against the lens, which traps the aqueous humor (angle-closure glaucoma or acute glaucoma)
optical double star — two stars that appear as one if not viewed through a telescope with adequate magnification, such as two stars that are separated by a great distance but are nearly in line with each other and an observer (optical double star) or those that are relatively close together and comprise a single physical system (physical double star)
optical mark reader — (hardware) (OMR) A special scanning device that can read carefully placed pencil marks on specially designed documents. OMR is frequenty used in forms, questionnaires, and answer-sheets.
oscillating circuit — a circuit producing electrical oscillations.
outplacement agency — an agency that provides counselling and careers advice, esp to redundant executives, which is paid for by their previous employer

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