19-letter words containing a, l, r
- mayor of the palace — one of a line of hereditary administrative lieutenants to the Merovingian kings who eventually took over royal function and title in the Frankish kingdoms; a palatine.
- mccarran-walter act — the Immigration and Nationality Act enacted by the U.S. Congress in 1952 that removed racial barriers to immigration and empowered the Department of Justice to deport immigrants or naturalized citizens engaging in subversive activities.
- mechanical-engineer — the branch of engineering dealing with the design and production of machinery.
- medical certificate — a document stating the result of a satisfactory medical examination
- melodic minor scale — minor scale (def 2).
- memory like a sieve — a very poor memory
- 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
- mermaid's wineglass — a colony of green algae, Acetabularia crenulata, of warm seas, having a cup-shaped cap on a slender stalk.
- metatarsophalangeal — (anatomy) Relating to the metatarsus and phalange.
- 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
- metropolitanization — to make metropolitan.
- microelectronically — by microcircuits
- midnight regulation — a rule or directive approved by the federal government near the end of a president’s term of office
- military government — a government in defeated territory administered by the military commander of a conquering nation.
- military pentathlon — an athletic contest comprising five different events, a 300-meter freestyle swim, a 4000-meter cross-country run, a 5000-meter equestrian steeplechase, épée fencing, and pistol target-shooting at 25 meters, the winner being the contestant with the highest total score.
- miracle of st. mark — a painting (1548) by Tintoretto.
- 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.
- mother-in-law plant — a West Indian foliage plant, Dieffenbachia seguine, of the arum family, having yellow-blotched leaves that cause temporary speechlessness when chewed.
- 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.
- mucopolysaccharides — Plural form of mucopolysaccharide.
- muhammadan calendar — Muslim calendar.
- mulheim an der ruhr — a city in North Rhine-Westphalia, W Germany, near Essen.
- 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.
- mushroom ventilator — a ventilator having at the top of a vertical shaft a broad rounded cap that can be screwed down to close it.
- mutual masturbation — the act of two or more people masturbating each other
- naberezhniye chelny — city in E European Russia, on the Kama River: pop. 514,000
- nail polish remover — solvent for removing nail polish
- napierian logarithm — natural logarithm.
- nathaniel hawthorne — Nathaniel, 1804–64, U.S. novelist and short-story writer.
- national book award — any of several awards given annually, 1949–79, to an author whose book was judged the best in its category: administered by the Association of American Publishers. Abbreviation: NBA, N.B.A.
- 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 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 government — A national government is a government with members from more than one political party, especially one that is formed during a crisis.
- 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.
- near letter quality — a quality of print that is not quite letter quality, but is better than draft quality
- negation by failure — An extralogical feature of Prolog and other logic programming languages in which failure of unification is treated as establishing the negation of a relation. For example, if Ronald Reagan is not in our database and we asked if he was an American, Prolog would answer "no".
- neuropathologically — In a neuropathologic way.
- neurotransmissional — Relating to neurotransmission.