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English definition of “in”

in

preposition, adverb [not gradable] (INCLUSION)   /ɪn/
being a member or forming a part of something: Who’s the woman in that painting? Mr. Harper is in a meeting. I’ve been waiting in line for two hours. Do you take milk in your coffee?
(Definition of in preposition, adverb (INCLUSION) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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