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English definition of “one”

one

number, determiner (SINGLE)    /wʌn/
B2 a single thing; not two or more: Do you think five of us will manage to squeeze into the one car? There's too much data to fit onto just the one disk. Eat them one at a time (= separately). I think we should paint the bedroom all one (= in a single) colour.Single, double and multiple (all) in one C2 combined in a single person or object: With this model you get a radio, CD player, and MP3 dock all in one.Groups and collections of thingsVariety and mixtures
(Definition of one numberdeterminer (SINGLE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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