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5 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 co·ma /ˈkomə/

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 co·ma /ˈkomə/ 名詞

From: Webster's Revised Unabridged Dictionary (1913)

 Co·ma n.  A state of profound insensibility from which it is difficult or impossible to rouse a person. See Carus.

From: Webster's Revised Unabridged Dictionary (1913)

 Co·ma, n.
 1. Astron. The envelope of a comet; a nebulous covering, which surrounds the nucleus or body of a comet.
 2. Bot. A tuft or bunch, -- as the assemblage of branches forming the head of a tree; or a cluster of bracts when empty and terminating the inflorescence of a plant; or a tuft of long hairs on certain seeds.
 Coma Berenices  Astron., a small constellation north of Virgo; -- called also Berenice's Hair.

From: WordNet (r) 2.0

      n 1: a state of deep and often prolonged unconsciousness; usually
           the result of disease or injury [syn: comatoseness]
      2: a usually terminal tuft of hairs especially on a seed
      3: (astronomy) the luminous cloud of particles surrounding the
         frozen nucleus of a comet; forms as the comet approaches
         the sun and is warmed
      [also: comae (pl)]