co·ma 1 (k  m )n. pl. co·mas A state of deep, often prolonged unconsciousness, usually the result of injury, disease, or poison, in which an individual is incapable of sensing or responding to external stimuli and internal needs. [Greek k ma, deep sleep.] |
| co·ma 2 (km) n. pl. co·mae (-m  ) 1. Astronomy The nebulous luminescent cloud containing the nucleus and constituting the major portion of the head of a comet. 2. Botany A usually terminal tuft or cluster, especially a tuft of hairs on a seed, as on a willow or milkseed. 3. Physics A diffuse, comet-shaped image of a point source of light or radiation caused by aberration in the optical system. [Latin, hair, from Greek kom .]co mal adj. |
ThesaurusLegend: Synonyms Related Words Antonyms
Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content.
| ?Page tools | ||
|---|---|---|
|