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English definition of “one”

one

number, determiner (MEMBER)    /wʌn/
one of A2 a member of a group of people or things: One of their daughters has just got married. EMI is one of the world's largest record companies. Finding a cure for cancer is one of the biggest challenges facing medical researchers. Our organization is just one of many charities that are providing famine relief in the region.Groups of people
(Definition of one numberdeterminer (MEMBER) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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