coma
English Thesaurus
1. a state of deep and often prolonged unconsciousness; usually the result of disease or injury (noun.cognition)
| hypernym | : | unconsciousness, |
| definition | : | a state lacking normal awareness of the self or environment (noun.cognition) |
| hyponym | : | diabetic coma, kussmaul's coma, |
| definition | : | coma that can develop in inadequately treated cases of diabetes mellitus (noun.cognition) |
| hyponym | : | hepatic coma, |
| definition | : | coma that can occur in severe cases of liver disease (noun.cognition) |
2. (astronomy) the luminous cloud of particles surrounding the frozen nucleus of a comet; forms as the comet approaches the sun and is warmed (noun.object)
| hypernym | : | cloud, |
| definition | : | any collection of particles (e.g., smoke or dust) or gases that is visible (noun.phenomenon) |
| part meronym | : | comet, |
| definition | : | (astronomy) a relatively small extraterrestrial body consisting of a frozen mass that travels around the sun in a highly elliptical orbit (noun.object) |
| domain category | : | astronomy, uranology, |
| definition | : | the branch of physics that studies celestial bodies and the universe as a whole (noun.cognition) |
3. (botany) a usually terminal tuft of bracts (as in the pineapple) or tuft of hairs (especially on certain seeds) (noun.plant)
| hypernym | : | tuft, tussock, |
| definition | : | a bunch of hair or feathers or growing grass (noun.group) |
| domain category | : | botany, phytology, |
| definition | : | the branch of biology that studies plants (noun.cognition) |
4. a state of deep and often prolonged unconsciousness; usually the result of disease or injury (noun.cognition)
| derivation | : | comatose, |
| definition | : | in a state of deep and usually prolonged unconsciousness; unable to respond to external stimuli (adj.all) |
| derivation | : | comatose, |
| definition | : | relating to or associated with a coma (adj.pert) |
5. (botany) a usually terminal tuft of bracts (as in the pineapple) or tuft of hairs (especially on certain seeds) (noun.plant)
| derivation | : | comal, comate, comose, |
| definition | : | of certain seeds (such as cotton) having a tuft or tufts of hair (adj.all) |
6. a state of deep and often prolonged unconsciousness; usually the result of disease or injury (noun.cognition)
| derivation | : | comatose, |
| definition | : | in a state of deep and usually prolonged unconsciousness; unable to respond to external stimuli (adj.all) |
| derivation | : | comatose, |
| definition | : | relating to or associated with a coma (adj.pert) |
7. (botany) a usually terminal tuft of bracts (as in the pineapple) or tuft of hairs (especially on certain seeds) (noun.plant)
| derivation | : | comal, comate, comose, |
| definition | : | of certain seeds (such as cotton) having a tuft or tufts of hair (adj.all) |
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