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English definition of “inch”

inch

noun [C]     /ɪntʃ/ (written abbreviation in.)
B1 a unit used for measuring length, approximately equal to 2.54 centimetres, sometimes shown by the symbol ″: Twelve inches are equal to one foot. He had a cut an inch long above his left eye. The snow was six inches deep in some places. a piece of wood 2″ by 2″Measurements of length and distance
(Definition of inch noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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