U

U¹ [ju:]

(also u)

noun (plural Us or U's)

1》 the twenty-first letter of the alphabet.

2》 denoting the next after T in a set of items, categories, etc.

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U² [ju:]

abbreviation

1》 (in names of sports clubs) United.

2》 Brit. universal (denoting films classified as suitable without restriction).

3》 Uruguay (international vehicle registration).

symbol the chemical element uranium.

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U³ [ju:]

adjective Brit. informal (of language or social behaviour) characteristic of or appropriate to the upper social classes.

Origin

1954: abbrev. of upper class; coined by Alan S. C. Ross, professor of linguistics, and popularized by Nancy Mitford's Noblesse Oblige (1956).

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U⁴ [u:]

noun a Burmese title of respect before a man's name, equivalent to Mr.