| 单词 | fissure |
| 释义 | Word Frequency fissure(ˈfɪʃə) noun 1. any long narrow cleft or crack, esp in a rock 2. a weakness or flaw indicating impending disruption or discord fissures in a decaying empire 3. anatomy a narrow split or groove that divides an organ such as the brain, lung, or liver into lobes See also sulcus 4. a small unnatural crack in the skin or mucous membrane, as between the toes or at the anus 5. a minute crack in the surface of a tooth, caused by imperfect joining of enamel during development verb 6. to crack or split apart Word origin C14: from medical Latin fissūra, from Latin fissus split |
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