coma
英['kəʊmə]
美['komə]
- n. [医] 昏迷；[天] 彗形像差
- n. (Coma)人名；(法、西)科马
英英释意
- 1. a state of deep and often prolonged unconsciousness; usually the result of disease or injury
- 2. a usually terminal tuft of hairs especially on a seed
- 3. (astronomy) the luminous cloud of particles surrounding the frozen nucleus of a comet; forms as the comet approaches the sun and is warmed