coma

B2 FREQ #4613 ★☆☆☆☆

n. 昏迷, 麻木, 彗发 [化] 彗差; 彗形像差

发音

UK /ˈkəʊmə/
其它
US /ˈkoʊmə/

词形变化

comas 复数 comae 复数

释义与例句

n. B2
  1. 1.

    A state of unconsciousness from which one may not wake up, usually induced by some form of trauma.

    昏迷

    昏睡

    go into a coma

    slip into a coma

    come out of a coma

  2. 1.

    A cloud of dust surrounding the nucleus of a comet.

    彗发

    天文
  3. 2.

    A defect characterized by diffuse, pear-shaped images that in an ideal image would appear as points.

    彗差

    工程 物理
  4. 3.

    A tuft or bunch, such as the assemblage of branches forming the head of a tree, a cluster of bracts when empty and terminating the inflorescence of a plant, or a tuft of long hairs on certain seeds.

    生物 植物学

词汇关系

名词

同义词 1

comatoseness

上位词 4

cloud unconsciousness tuft tussock

整体词 1

comet

相关短语

Coma Berenices 后发星座 coma vigil [医] 睁眼昏迷, 醒状昏迷 coma vigile food coma 饭气攻心 hyperosmolar coma hyperosmolar hyperglycemic nonketoic coma turkey coma induced coma

词源

Learned borrowing from Ancient Greek κῶμα (kôma, “deep sleep”).

来源：wiktionary