coma
/'kәumә/
★☆☆☆☆GRE英语词汇
📖 中文释义
- n. 昏迷, 麻木, 彗发
- [化] 彗差; 彗形像差
🔗 释义中的汉语词
🧩 词形变化
复数 comas
📘 English Definition（英文释义）
- n. a state of deep and often prolonged unconsciousness; usually the result of disease or injury
- n. (botany) a usually terminal tuft of bracts (as in the pineapple) or tuft of hairs (especially on certain seeds)
- n. (astronomy) the luminous cloud of particles surrounding the frozen nucleus of a comet; forms as the comet approaches the sun and is warmed