21-letter words containing y, a, c, h, t, s
- strachey, christopher — Christopher Strachey
- structural psychology — psychology centering on the analysis of the structure or content of conscious mental states by introspective methods.
- sunday school teacher — someone who teaches at a Sunday school
- sympathetic vibration — a vibration induced by resonance.
- synchrotron radiation — electromagnetic radiation emitted by charged particles as they pass through magnetic fields.
- tartarian honeysuckle — an Asian honeysuckle, Lonicera tatarica, having fragrant, white to pink flowers.
- the early renaissance — the period from about 1400 to 1500 in European, esp Italian, painting, sculpture, and architecture, when naturalistic styles and humanist theories were evolved from the study of classical sources, notably by Donatello, Masaccio, and Alberti
- the household cavalry — a group of British soldiers on horseback who have the job of protecting the king or queen and their family
- 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 royal scots greys — (formerly) a British cavalry regiment, the Second Dragoons
- the stationery office — (in the UK) the company that supplies the civil service with all its office supplies, machinery, printing and binding, etc
- the throwaway society — a society full of excessive consumption and waste of food, products, etc
- theoretical physicist — a scientist who studies theoretical physics
- third-party insurance — insurance that compensates for a loss to a party other than the insured for which the insured is liable.
- threshold wage policy — a policy whereby wages are increased in accordance with inflation
- x-ray crystallography — the determination of the structure of a crystal by the use of x-ray diffraction.
- youth training scheme — (formerly, in Britain) a scheme, run by the Training Agency, to provide vocational training for unemployed 16–17-year-olds