Meaning of “fissure” in the English Dictionary

british dictionary

"fissure" in British English

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fissurenoun [ C ]

uk /ˈfɪʃ.ər/ us /ˈfɪʃ.ɚ/

a deep, narrow crack in rock or the earth

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” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"fissure" in American English

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fissurenoun [ C ]

us /ˈfɪʃ·ər/

a deep crack, esp. one in rock or ice or in the ground

(Definition of “fissure” from the Cambridge Academic Content Dictionary © Cambridge University Press)