20-letter words containing a, n, t, i, s, c
- tropical disturbance — a very weak, or incipient, tropical cyclone.
- ultimate constituent — an element of a construction that cannot be further divided into grammatical constituents: the morphemes of an utterance are usually considered to be its ultimate constituents.
- uncertificated share — a share of a mutual fund credited to the account of a shareholder without the physical issuance of a certificate evidencing ownership.
- uncharacteristically — Also, characteristical. pertaining to, constituting, or indicating the character or peculiar quality of a person or thing; typical; distinctive: Red and gold are the characteristic colors of autumn.
- unified screw thread — a screw thread system introduced for defence equipment (1939–44), in which the thread form and pitch were a compromise between British Standard Whitworth and American Standard Sellers: adopted by the International Standards Organization
- university education — a course of study undertaken and completed at a university
- vitoria de conquista — a city in Bahía state, E central Brazil.
- wait-and-see tactics — methods of achieving what you want in a particular political situation that involve biding your time for events to run their course
- webster's dictionary — Informal. a dictionary of the English language, especially American English, such as Dictionary.com.
- western civilization — European culture, thought
- whyte classification — a system for classifying steam locomotives according to the total number of wheels on the front trucks, drivers, and rear trucks, in that order. For example, a Pacific locomotive is designated as 4-6-2.
- winter olympic games — an international contest of winter sports, esp skiing, held every four years
- wipe the slate clean — begin afresh
- with a pinch of salt — without wholly believing; sceptically