释义 |
WordReference Random House Unabridged Dictionary of American English © 2024di•a•ste•ma (dī′ə stē′mə),USA pronunciation n., pl. -ma•ta (-mə tə).USA pronunciation - Cell Biologythe modified protoplasm at the equator of a cell, existing before mitotic division.
- Dentistrya space between two teeth, esp. a space between a canine and an incisor of the upper jaw into which a lower canine occludes.
- Greek: interval, equivalent. to diastē, variant stem of diastánai to stand apart + -ma noun, nominal suffix denoting the result of action
- Late Latin
- Middle English 1350–1400
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