diatom

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noun di·a·tom \ˈdī-ə-ˌtäm\

Definition of diatom

  1. :  any of a class (Bacillariophyceae) of minute planktonic unicellular or colonial algae with silicified skeletons that form diatomaceous earth

Recent Examples of diatom from the Web

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Origin and Etymology of diatom

ultimately from Greek diatomos cut in half, from diatemnein to cut through, from dia- + temnein to cut — more at tome


Medical Dictionary

diatom

play
noun di·a·tom \ˈdī-ə-ˌtäm\

Medical Definition of diatom

  1. :  any of a class (Bacillariophyceae) of minute planktonic unicellular or colonial algae with silicified skeletons that form diatomite


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