diatom

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English[edit]

English Wikipedia has an article on:
Wikipedia
A view of diatoms through the microscope.

Etymology[edit]

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

Pronunciation[edit]

Noun[edit]

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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