Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun coma

3 senses of coma

Sense 1
coma, comatoseness -- (a state of deep and often prolonged unconsciousness; usually the result of disease or injury)
       => unconsciousness -- (a state lacking normal awareness of the self or environment)

Sense 2
coma -- ((botany) a usually terminal tuft of bracts (as in the pineapple) or tuft of hairs (especially on certain seeds))
       => tuft, tussock -- (a bunch of hair or feathers or growing grass)

Sense 3
coma -- ((astronomy) the luminous cloud of particles surrounding the frozen nucleus of a comet; forms as the comet approaches the sun and is warmed)
       => cloud -- (any collection of particles (e.g., smoke or dust) or gases that is visible)