19-letter words containing a, t, u, m
- lame duck amendment — an amendment to the U.S. Constitution, ratified in 1933, that abolished the December to March session of those Congressmen defeated for reelection in November.
- landrum-griffin act — an act of Congress (1959) outlawing secondary boycotts, requiring public disclosure of the financial records of unions, and guaranteeing the use of secret ballots in union voting.
- large munsterlander — a strongly built gun dog with a long dense black-and-white coat
- 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.
- lumholtz's kangaroo — boongary.
- lupus erythematosus — any of several autoimmune diseases, especially systemic lupus erythematosus, characterized by red, scaly skin patches.
- machine instruction — (programming) The smallest element of a machine code program.
- magnesium carbonate — a white powder, MgCO 3 , insoluble in water and alcohol, soluble in acids, used in dentifrices and cosmetics, in medicine as an antacid, and as a refractory material.
- make no bones about — Anatomy, Zoology. one of the structures composing the skeleton of a vertebrate. the hard connective tissue forming the substance of the skeleton of most vertebrates, composed of a collagen-rich organic matrix impregnated with calcium, phosphate, and other minerals.
- 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).
- manchester autocode — (language, history) The predecessor of Mercury Autocode.
- manual transmission — an automotive transmission in which the driver shifts gears manually.
- manufacturing plant — factory
- mary mcleod bethune — Mary McLeod [muh-kloud] /məˈklaʊd/ (Show IPA), 1875–1955, U.S. educator and civil-rights leader.
- master of foxhounds — the person responsible for the conduct of a fox hunt and to whom all members of the hunt and its staff are responsible. Abbreviation: M.F.H.
- matthias i corvinus — ?1440–90, king of Hungary (1458–90): built up the most powerful kingdom in Central Europe. A patron of Renaissance art, he founded the Corvina library, one of the finest in Europe
- maturation division — a stage in meiosis during which the chromosomal number of the reproductive cell is reduced to one chromosome from each original chromosome pair.
- maximum maytag mode — (storage, humour) (From the US brand of washing machine) What a washing machine or, by extension, any hard disk is in when it's being used so heavily that it's shaking like an old Maytag with an unbalanced load. If prolonged for any length of time, can lead to disks becoming walking drives.
- maximum thermometer — a thermometer designed to show the highest temperature recorded between resettings.
- means of production — resources: equipment, workers
- mercurial barometer — mercury barometer.
- 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
- mid-autumn festival — a Chinese festival that is held to celebrate the end of the summer harvest, when the crops have been gathered.
- midnight regulation — a rule or directive approved by the federal government near the end of a president’s term of office
- miniature schnauzer — one of a German breed of sturdily built terriers resembling a smaller version of the standard schnauzer, having a wiry, pepper-and-salt, black, or black-and-silver coat, a rectangular head, bushy whiskers, and a docked tail, and originally developed as a farm dog but now raised primarily as a pet.
- miscellaneous items — various kinds of thing, esp small purchases
- missing fundamental — a tone, not present in the sound received by the ear, whose pitch is that of the difference between the two tones that are sounded
- 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
- montezuma's revenge — traveler's diarrhea, especially as experienced by some visitors to Mexico.
- mother-of-thousands — strawberry geranium.
- motorway restaurant — a restaurant on a motorway
- mount desert island — an island off the coast of E central Maine: summer resort; forms part of Acadia National Park. 14 miles (23 km) long; 8 miles (13 km) wide.
- mountain chinchilla — any of several long-tailed rodents of the genus Lagidium, having coarse poor quality fur
- multidimensionality — The property of being multidimensional.
- multimedia analysis — Multimedia analysis is the consideration of all possible risks relating to pollution and waste management.
- multinomial theorem — an expression of a power of a sum in terms of powers of the addends, a generalization of the binomial theorem.
- multiple-entry visa — a visa that permits the holder to enter a country several times
- 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.
- mushroom ventilator — a ventilator having at the top of a vertical shaft a broad rounded cap that can be screwed down to close it.
- music to one's ears — something that is very pleasant to hear
- mutual fund company — a company that sells and manages mutual funds
- mutual masturbation — the act of two or more people masturbating each other
- mutual savings bank — a noncapitalized savings bank that distributes its net earnings to depositors.
- narcotics anonymous — an organization that helps drug users recover from drug addiction
- 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.
- neurotransmissional — Relating to neurotransmission.
- nominative absolute — a construction consisting in English of a noun, noun phrase, or pronoun in the nominative case followed by a predicate lacking a finite verb, used as a loose modifier of the whole sentence, as the play done in The play done, the audience left the theater.