diatom

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English[edit]

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A view of diatoms through the microscope.

Etymology[edit]

From Ancient Greek διά (dia, through) + τέμνειν (temnein, to cut), i.e., "cut in half"

Pronunciation[edit]

Noun[edit]

diatom (plural diatoms)

  1. A group of minute unicellular algae having a siliceous covering of great delicacy, now categorized as class Diatomophyceae or division Bacillariophyta, formerly all included in the order Diatomaceae, now obsolete.

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