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abbreviation
PhysicsDenoting quantum states or wave functions which change sign on inversion through the origin.
The opposite of g
in combination
(in units of measurement) micro- (10⁶)
- ‘direct readout of concentration in ug or mg/l’
U2
(also u)
Translate U into Spanish
nounUs, U's
1The twenty-first letter of the alphabet.
not in service, unavailable for use, not in use, out of action, unserviceable- 1.1Denoting the next after T in a set of items, categories, etc.
2UA shape like that of a capital U, especially a cross section.
- ‘U-shaped glaciated valleys’
U3
(also u)
Translate U into Spanish
abbreviation
informalYou.
- ‘what will u do next?’
The chemical element uranium.
Pronunciation
adjective
informal British(of language or social behavior) characteristic of or appropriate to the upper social classes.
- ‘U manners’
upper-class, aristocratic, upmarket, Home Counties
Origin
1950s abbreviation of upper class; coined in 1954 by Alan S. C. Ross, professor of linguistics, the term was popularized by its use in Nancy Mitford's Noblesse Oblige (1956).
Pronunciation
noun
A Burmese title of respect before a man's name, equivalent to Mr.
- ‘U Thien San’
Pronunciation
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