21-letter words containing s, h, a, y, t, n
- rayleigh distribution — (mathematics) A curve that yields a good approximation to the actual labour curves on software projects.
- reverse polish syntax — postfix notation
- ring-around-the-rosey — a children's game in which the players sing while going around in a circle and squat when the lyrics “all fall down” are sung.
- saint anthony's cross — tau cross.
- salam-weinberg theory — the electroweak theory.
- schlieren photography — a type of photography which records schlieren
- seventh day adventist — Seventh Day Adventist churches are churches that believe that Jesus Christ will return very soon, and that have Saturday as their holy day.
- seventh-day adventist — See example at Seventh-Day.
- snappy video snapshot — (hardware) (registered trademark) A frame grabber for the IBM PC designed and marketed by Play, Inc..
- sunday school teacher — someone who teaches at a Sunday school
- sympathetic vibration — a vibration induced by resonance.
- symphonie fantastique — a programmatic symphony (1830–31) in five movements by Hector Berlioz.
- 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 stationery office — (in the UK) the company that supplies the civil service with all its office supplies, machinery, printing and binding, etc
- the women's land army — a unit of women recruited to do agricultural work in the United Kingdom during World War I and World War II
- third-party insurance — insurance that compensates for a loss to a party other than the insured for which the insured is liable.
- to lay something bare — If you lay something bare, you uncover it completely so that it can then be seen.
- washington's birthday — February 22, formerly observed as a legal holiday in most states of the U.S. in honor of the birth of George Washington.
- weinberg-salam theory — electroweak theory.
- youth training scheme — (formerly, in Britain) a scheme, run by the Training Agency, to provide vocational training for unemployed 16–17-year-olds