21-letter words containing m, a, c, s, r, t
- tetrabromofluorescein — eosin (def 1).
- the (norman) conquest — the conquering of England by the Normans under William the Conqueror in 1066
- the comrades marathon — an annual long-distance race run every year on the 16th of June from Durban to Pietermaritzburg, a distance of approximately 90 kilometres (56 miles)
- the maastricht treaty — a treaty on European economic and monetary union agreed by government leaders of the 12 EC states at a meeting in Maastricht in December 1991
- the supreme sacrifice — the sacrifice of one's life
- thermal decomposition — Thermal decomposition is the process in which a chemical species breaks down when its temperature is increased.
- throw someone a curve — a continuously bending line, without angles.
- transactinide element — any element having an atomic number higher than 103, the last of the actinide series. These superheavy, radioactive elements are extremely short-lived, and can only be created in the laboratory.
- transcendental number — a number that is not a root of any algebraic equation having integral coefficients, as π or e .
- tubercular meningitis — an infection of the membranes of the central nervous system caused by the bacterium Mycobacterium tuberculosis; features can include fever, headache, and coma
- tumor necrosis factor — a protein, produced in humans and other animals, that is destructive to cells showing abnormally rapid growth: identical with cachectin. Abbreviation: TNF.
- volunteers of america — a religious reform and relief organization, similar to the Salvation Army, founded in New York City in 1896 by Ballington Booth, son of William Booth, the founder of the Salvation Army. Abbreviation: VOA.
- warm silence software — A small company run by(?) Robin Watts, producing software for the Acorn Archimedes.
- water-vascular system — a system of closed, fluid-filled tubes and ducts of echinoderms used in clinging, locomotion, feeding, and respiration.
- what price something? — what are the chances of something happening now?
- workers' compensation — a government-sponsored insurance system, funded by contributions from employers, for compensating employees for injury or occupational disease suffered in connection with their employment
- youth training scheme — (formerly, in Britain) a scheme, run by the Training Agency, to provide vocational training for unemployed 16–17-year-olds