diatom
发音
How to pronounce diatom in British English:
英 ['daɪətəm]
How to pronounce diatom in American English:
美 ['daɪətəm]
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- Noun:
- microscopic unicellular marine or freshwater colonial alga having cell walls impregnated with silica
单词词源
- diatom (n.)
- 1845, coined from Greek diatomos "cut in two," from diatemnein "to cut through," from dia- "through" (see dia-) + temnein "to cut" (see tome). So called because they typically appear to have been cut in half. Related: Diatomic.