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coma Definition

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coma
noun(co-ma)
a state of deep and often prolonged unconsciousness; usually the result of disease or injury
Synonyms: comatoseness,
coma
noun(co-ma)
(astronomy) the luminous cloud of particles surrounding the frozen nucleus of a comet; forms as the comet approaches the sun and is warmed
coma
noun(co-ma)
(botany) a usually terminal tuft of bracts (as in the pineapple) or tuft of hairs (especially on certain seeds)

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