Definition of Coma

1. Noun. A state of deep and often prolonged unconsciousness; usually the result of disease or injury.

Exact synonyms: Comatoseness
Generic synonyms: Unconsciousness
Specialized synonyms: Diabetic Coma, Kussmaul's Coma, Hepatic Coma
Derivative terms: Comatose, Comatose



2. Noun. (botany) a usually terminal tuft of bracts (as in the pineapple) or tuft of hairs (especially on certain seeds).
Category relationships: Botany, Phytology
Generic synonyms: Tuft, Tussock
Derivative terms: Comal

3. Noun. (astronomy) the luminous cloud of particles surrounding the frozen nucleus of a comet; forms as the comet approaches the sun and is warmed.
Category relationships: Astronomy, Uranology
Group relationships: Comet
Generic synonyms: Cloud

Definition of Coma

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

2. n. The envelope of a comet; a nebulous covering, which surrounds the nucleus or body of a comet.

Definition of Coma

1. Noun. A state of sleep from which one may not wake up, usually induced by some form of trauma. ¹

2. Noun. (astronomy) A cloud of dust surrounding the nucleus of a comet ¹

3. Noun. (optics) A defect characterized by diffuse, pear-shaped images that should be points ¹

¹ Source: wiktionary.com

Definition of Coma

1. a tuft of silky hairs [n -MAE] / a condition of prolonged unconsciousness [n -S]

Medical Definition of Coma

1. A deep prolonged unconsciousness where the patient cannot be aroused. This is usually as the result of a head injury, neurological disease, acute hydrocephaly, intoxication or metabolic derangement. (27 Sep 1997)

Coma Pictures

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Lexicographical Neighbors of Coma

columnizing
columnless
columnlike
columns
coluracetam
colure
colures
colusite
coly
colypeptic
colza
colza oil
colzas
com'st
com-
coma (current term)
coma aberration
coma carcinomatosum
coma cast
coma scale
coma vigil
coma vigile
comade
comae
comagmatic
comake
comaker
comakers
comakes
comaking

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