coma是什么意思（coma的用法）

大家好，知识小编来为大家讲解下。coma是什么意思，coma的用法很多人还不知道，现在让我们一起来看看吧！

一、coma是什么意思

1、coma 昏迷

2、来自PIE*kei, 躺，睡，词源同home.

二、coma的用法

1、coma (n.1)

2、state of prolonged unconsciousness, 1640s, from Latinized form of Greek koma (genitive komatos) "deep sleep," which is of uncertain origin. A term for "coma" in Middle English was false sleep (late 14c.).

3、coma (n.2)

4、"head of a comet," 1765, from Latin coma, from Greek kome "hair of the head," which is of unknown origin. Earlier in English as a botanical term for a tuft of hairs (1660s).

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