19-letter words containing a, c, u, l
- liability insurance — insurance covering the insured against losses arising from injury or damage to another person or property.
- lift the curtain on — to begin
- liquorice all-sorts — a brand of assorted sweets containing liquorice as well as coloured candy made of sugar, gelatine, and coconut
- logical consequence — the relation that obtains between the conclusion and the premises of a formally valid argument
- logical unit number — (storage) (LUN) A 3-bit identifier used on a SCSI bus to distinguish between up to eight devices (logical units) with the same SCSI ID.
- lucia di lammermoor — an opera (1835) by Gaetano Donizetti, based on Sir Walter Scott's novel The Bride of Lammermoor.
- male chauvinist pig — male chauvinist.
- malice aforethought — a predetermination to commit an unlawful act without just cause or provocation (applied chiefly to cases of first-degree murder).
- malicious falsehood — a lie told by someone who knows the lie is false or knows it will do harm to the person it is concerning
- manufacturing plant — factory
- mary mcleod bethune — Mary McLeod [muh-kloud] /məˈklaʊd/ (Show IPA), 1875–1955, U.S. educator and civil-rights leader.
- 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
- 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
- miscellaneous items — various kinds of thing, esp small purchases
- 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)
- mountain chinchilla — any of several long-tailed rodents of the genus Lagidium, having coarse poor quality fur
- 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.
- 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
- 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.
- 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.
- newcastle upon tyne — 1st Duke of, Pelham-Holles, Thomas.
- 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)
- 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.
- not much to look at — unattractive or unimpressive
- nuclear disarmament — the gradual reduction and eventual elimination of all nuclear weapons in the world
- 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).
- 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)
- 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
- oxyacetylene burner — a blowpipe for cutting or welding metals at high temperatures