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English definition of “fissure”


noun [C]     /ˈfɪʃ.ər/ US  //
a deep , narrow crack in rock or the earth Caves, cracks and crevices specialized medical a long , deep , narrow hollow area in a surface in the body , especially in the cerebral cortex (= the surface of the brain ) specialized medical a fault on the surface of a tooth
(Definition of fissure noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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