14-letter words containing m, o, t, r
- long-term care — continuing help and attention
- lord baltimore — David, born 1938, U.S. microbiologist: Nobel Prize in Medicine 1975.
- lords temporal — a member of the House of Lords who is not a member of the clergy.
- low-water mark — the lowest point reached by a low tide.
- lower the boom — Nautical. any of various more or less horizontal spars or poles for extending the feet of sails, especially fore-and-aft sails, for handling cargo, suspending mooring lines alongside a vessel, pushing a vessel away from wharves, etc.
- macaroni wheat — durum wheat.
- macartney rose — a trailing or climbing evergreen rose, Rosa bracteata, of China, having shiny leaves and large, solitary white flowers.
- mackinaw trout — lake trout.
- macro-mutation — a mutation that has a profound effect on the resulting organism, as a change in a regulatory gene that controls the expression of many structural genes.
- macroaggregate — A relatively large aggregated particle.
- macrobiologist — One who studies macrobiology.
- macrodactylous — related to or having macrodactyly
- macroevolution — major evolutionary transition from one type of organism to another occurring at the level of the species and higher taxa.
- macromarketing — marketing concerning all marketing as a whole, marketing systems, and the mutual effect that society and marketing systems have on each other
- macronutrients — Plural form of macronutrient.
- macrostructure — the gross structure of a metal, as made visible to the naked eye by deep etching.
- magnetic force — the repelling or attracting force between a magnet and a ferromagnetic material, between a magnet and a current-carrying conductor, etc.
- magnetic north — north as indicated by a magnetic compass, differing in most places from true north.
- magnetic storm — a temporary disturbance of the earth's magnetic field, induced by radiation and streams of charged particles from the sun.
- magnetospheres — Plural form of magnetosphere.
- magnetospheric — Of, pertaining to, or happening within the magnetosphere.
- magnox reactor — a nuclear reactor using carbon dioxide as the coolant, graphite as the moderator, and uranium cased in magnox as the fuel
- main door flat — a flat in a tenement that can be accessed directly from outside rather than one which can only be accessed via a communal stairwell
- maine-et-loire — a department in W France. 2787 sq. mi. (7220 sq. km). Capital: Angers.
- maitre d'hotel — a headwaiter.
- major mitchell — an Australian cockatoo, Kakatoe leadbeateri, with a white-and-pink plumage
- major prophets — theology
- make a fortune — win, earn a vast amount of money
- make no secret — If you make no secret of something, you tell others about it openly and clearly.
- malacostracans — Plural form of malacostracan.
- malapportioned — (of a state or other political unit) poorly apportioned, especially divided, organized, or structured in a manner that prevents large sections of a population from having equitable representation in a legislative body.
- malappropriate — inappropriate
- malnourishment — Malnutrition, undernourishment.
- man of letters — highly educated man
- managed forest — a sustainable forest in which usually at least one tree is planted for every tree felled
- mandelbrot set — (mathematics, graphics) (After its discoverer, Benoit Mandelbrot) The set of all complex numbers c such that | z[N] | < 2 for arbitrarily large values of N, where z[0] = 0 z[n+1] = z[n]^2 + c The Mandelbrot set is usually displayed as an Argand diagram, giving each point a colour which depends on the largest N for which | z[N] | < 2, up to some maximum N which is used for the points in the set (for which N is infinite). These points are traditionally coloured black. The Mandelbrot set is the best known example of a fractal - it includes smaller versions of itself which can be explored to arbitrary levels of detail.
- manometrically — Using a manometer.
- map projection — a projecting or protruding part. Synonyms: overhang, protrusion, jut.
- marathon group — an encounter group that meets for an extended period of time, as eight hours to a week, in the belief that the resultant intensity and intimacy will lead to a more open expression of feelings.
- margaritaceous — resembling mother-of-pearl; pearly.
- margin account — an account opened by a customer with a brokerage house in which listed securities can be purchased on margin.
- mariano arista — Mariano [mah-ryah-naw] /mɑˈryɑ nɔ/ (Show IPA), 1802–55, Mexican general: president of Mexico 1851–53.
- mariotte's law — Boyle's law.
- mark-to-market — denoting a system that values assets according to their current market price
- market economy — a capitalistic economic system in which there is free competition and prices are determined by the interaction of supply and demand.
- martello tower — a circular, towerlike fort with guns on the top.
- masonry cement — a mix typically of Portland cement, hydrated lime, and other materials, used to improve the water retention and workability of the cement in masonry work.
- master bedroom — a principal bedroom in a house or apartment, usually the largest, typically occupied by the person or persons who head the household.
- master of arts — a master's degree given usually in a specific branch of the humanities or social sciences.
- master workman — a worker in charge.