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English noun: coma

1. coma (cognition) a state of deep and often prolonged unconsciousness; usually the result of disease or injury


Synonymscomatoseness


Broader (hypernym)unconsciousness


Narrower (hyponym)diabetic coma, hepatic coma, Kussmaul's coma

2. coma (plant) (botany) a usually terminal tuft of bracts (as in the pineapple) or tuft of hairs (especially on certain seeds)


Broader (hypernym)tuft, tussock


Domain categorybotany, phytology

3. coma (object) (astronomy) the luminous cloud of particles surrounding the frozen nucleus of a comet; forms as the comet approaches the sun and is warmed


Broader (hypernym)cloud


Part meronymcomet


Domain categoryastronomy, uranology









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