• Diatom

    Pronunciation

    • RP IPA: /ˈdaɪətÉ™m/
    • US IPA: /ˈdaɪətɑːm/

    Origin

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

    Full definition of diatom

    Noun

    diatom

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