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Learn English · 把认识的词变成会用的词词条内容来自 Wiktionary，按 CC BY-SA 4.0 许可使用；每个词条页附有原文链接。

coma · Learn English

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coma

Wiktionary 原文

中文来自 ECDICT

n.: 昏迷，麻木，彗发

1词源 1

演变路径（由近及远）

英语
书面借自 ←古希腊语 κῶμα “deep sleep”

词源说明

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

释义（英文）

名词 Noun

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

词族

派生词（15）

induced coma turkey coma comatic comatose coma vigil coma vigile food coma hyperosmolar coma pseudocoma comalike semicoma hyperosmolar hyperglycemic nonketoic coma precoma agrypnocoma dot-coma

相关词（1）

2词源 2

演变路径（由近及远）

英语
书面借自 ←拉丁语 coma “hair of the head”
借自 ←古希腊语 κόμη “hair of the head”

词源说明

Learned borrowing from Latin coma (“hair of the head”), borrowed from Ancient Greek κόμη (kómē, “hair of the head”).

释义（英文）

名词 Noun

(astronomy) A cloud of dust

surrounding the

of a

.

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

(botany) 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.