• Coma

    Pronunciation

    • UK IPA: /ˈkəʊmÉ™/
    • US enPR: kōʹmÉ™, IPA: /ˈkoÊŠmÉ™/
    • Homophones: comber (in non-rhotic accents)

    Origin 1

    From Ancient Greek κῶμα (kōma, "deep sleep").

    Full definition of coma

    Noun

    coma

    (plural comas)
    1. A state of sleep from which one may not wake up, usually induced by some form of trauma.

    Related terms

    Origin 2

    From Latin coma ("hair of the head"), from Ancient Greek κόμη (komē, "hair").

    Noun

    coma

    (plural comae)
    1. (astronomy) A cloud of dust surrounding the nucleus of a comet.
    2. (optics) A defect characterized by diffuse, pear-shaped images that should be points.
    3. (botany) A tuft or bunch, such as the assemblage of branches forming the head of a tree, a cluster of bracts when empty and terminating the inflorescence of a plant, or a tuft of long hairs on certain seeds.

    Anagrams

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