diatom

pronunciation

How to pronounce diatom in British English: UK ['daɪətəm]word uk audio image

How to pronounce diatom in American English: US ['daɪətəm] word us audio image

  • Noun:
    microscopic unicellular marine or freshwater colonial alga having cell walls impregnated with silica

Word Origin

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.

Example

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