Meaning of coma in English

1. Pronunciation

   /ˈkoʊmə/

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1. Noun

   coma

   Etymology

   mid 17th century: modern Latin, from Greek kōma‘deep sleep’; related to koitē‘bed’ and keisthai‘lie down’

   Definitions

   1. a state of deep and often prolonged unconsciousness

   Examples

   • « usually the result of disease or injury »
2. 2. a usually terminal tuft of hairs especially on a seed
3. 3. (astronomy) the luminous cloud of particles surrounding the frozen nucleus of a comet

   Examples

   • « forms as the comet approaches the sun and is warmed »