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