19-letter words containing r, a, y, c, s, t
- social anthropology — study of human culture
- social security act — a law passed in 1935 providing old-age retirement insurance, a federal-state program of unemployment compensation, and federal grants for state welfare programs.
- spherical astronomy — the branch of astronomy dealing with the determination of the positions of celestial bodies on the celestial sphere.
- st. anthony's cross — a T -shaped cross.
- st. lawrence seaway — a series of channels, locks, and canals between Montreal and the mouth of Lake Ontario, a distance of 182 miles (293 km), enabling most deep-draft vessels to travel from the Atlantic Ocean, up the St. Lawrence River, to all the Great Lakes ports: developed jointly by the U.S. and Canada.
- stationers' company — a company or guild of the city of London composed of booksellers, printers, dealers in writing materials, etc., incorporated in 1557.
- stationery cupboard — a cupboard where things like paper, pens and paper clips are kept
- symptomatic anthrax — blackleg.
- the eroica symphony — Symphony No. 3 in E flat major by Ludwig van Beethoven
- theoretical physics — abstract use of physics
- to rack your brains — If you rack your brains, you try very hard to think of something.
- to steer/stay clear — If you steer clear or stay clear of someone or something, you avoid them.
- ultramicrochemistry — the branch of microchemistry dealing with minute quantities of material weighing one microgram or less.
- university entrance — an examination taken by pupils of postprimary schools
- volumetric analysis — determination of the concentration, by volume, of a substance in a solution, as by titration.
- waste heat recovery — the use of heat that is produced in a thermodynamic cycle, as in a furnace, combustion engine, etc, in another process, such as heating feedwater or air
- websters-dictionary — Informal. a dictionary of the English language, especially American English, such as Dictionary.com.
- young conservatives — the youth section of the United Kingdom Conservative Party until 1998