- coma, comatoseness - a state of deep and often prolonged unconsciousness; usually the result of disease or injury
--1 is a kind of unconsciousness
--1 has particulars: diabetic coma, Kussmaul's coma; hepatic coma - coma - a usually terminal tuft of hairs especially on a seed
--2 is a kind of hair, fuzz, tomentum
- coma - (astronomy) the luminous cloud of particles surrounding the frozen nucleus of a comet; forms as the comet approaches the sun and is warmed
--3 is a kind of cloud
--3 is a part of comet - coma - (astronomy) the luminous cloud of particles surrounding the frozen nucleus of a comet; forms as the comet approaches the sun and is warmed