diatom

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English

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A view of diatoms through the microscope.

Etymology

From (deprecated) genus name Diatoma, from Ancient Greek διάτομος (diátomos, “cut through, cut in half”).

Pronunciation

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  • Lua error in Module:parameters at line 360: Parameter 1 should be a valid language or etymology language code; the value "GA" is not valid. See WT:LOL and WT:LOL/E. IPA(key): /ˈdaɪ.əˌtɔm/
    • Audio (US):(file)

Noun

diatom (plural diatoms)

  1. Any of a group of minute unicellular algae having a siliceous covering of great delicacy, now categorized as class Diatomophyceae or division Bacillariophyta.
    • 2012, Caspar Henderson, The Book of Barely Imagined Beings, 2013 edition, Granta Books, page 287:
      Diatoms are characterized by a cell wall called a fistula made of silica, which usually has two overlapping sections.

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