17-letter words containing s, o, u, t, h, m
- the horse's mouth — the most reliable source
- the major leagues — the two main leagues of professional baseball clubs in the U.S., the National League and the American League
- the sound of mull — the water that separates the island of Mull from the mainland of Scotland
- theory of numbers — number theory.
- thermal diffusion — the separation of constituents, often isotopes, of a fluid under the influence of a temperature gradient.
- thiopental sodium — a barbiturate, C 11 H 18 N 2 NaO 2 S, used as an anesthetic in surgery and, in psychiatry, for narcoanalysis and to stimulate recall of past events.
- three-course meal — A three-course meal is a meal that consists of three parts served one after the other.
- trucial sheikdoms — an independent federation in E Arabia, formed in 1971, now comprising seven emirates on the S coast (formerly, Pirate Coast or Trucial Coast) of the Persian Gulf, formerly under British protection: Abu Dhabi, Dubai, Sharjah, Ajman, Umm al-Qaiwain, Ras al-Khaimah (joined 1972), and Fujairah. About 32,300 sq. mi. (83,657 sq. km). Capital: Abu Dhabi. Abbreviation: U.A.E.
- ultrametamorphism — metamorphism during which the temperature of a rock exceeds its melting point.
- utmost good faith — a principle used in insurance contracts, legally obliging all parties to reveal to the others any information that might influence the others' decision to enter into the contract
- welshman's button — an angler's name for a species of caddis fly, Sericostoma personatum