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English definition of “crack”

crack

noun (NARROW SPACE)    /kræk/
C2 [C] a very narrow space between parts of something: Cracks had appeared in the dry ground. We peered through the crack in the floorboards.figurative Cracks began to show in his façade of self-confidence.Holes, hollows and dipsCaves, cracks and crevices (just) a crack so that there is a very small space: She opened the door just a crack to listen to the conversation.Open and closed
(Definition of crack noun (NARROW SPACE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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