coma

co·ma ¹  (km)

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.

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[Greek kma, deep sleep.]

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coma

Noun

a state of unconsciousness from which a person cannot be aroused, caused by injury, disease, or drugs [Greek kōma heavy sleep]

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coma ¹  (km)

Plural comas

A state of deep unconsciousness, usually resulting from brain trauma or metabolic disease, in which an individual is incapable of sensing or responding to external stimuli.

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coma ²  (km)

Plural comae (km)

1. Astronomy The brightly shining cloud of gas that encircles the nucleus and makes up the major portion of the head of a comet near the Sun. As a comet moves along its orbit away from the Sun, the gas and dust of the coma dissipate, leaving only the nucleus. A coma can have a diameter of up to 100,000 km (62,000 mi.). See more at comet.

2. Physics A diffuse, comet-shaped image of a point source of light or radiation caused by aberration in a lens or mirror. The image appears progressively elongated with distance from the center of the field of view.

Thesaurus

Noun	1.	coma - a state of deep and often prolonged unconsciousness; usually the result of disease or injury comatoseness unconsciousness - a state lacking normal awareness of the self or environment diabetic coma, Kussmaul's coma - coma that can develop in inadequately treated cases of diabetes mellitus hepatic coma - coma that can occur in severe cases of liver disease
	2.	coma - (botany) a usually terminal tuft of bracts (as in the pineapple) or tuft of hairs (especially on certain seeds) phytology, botany - the branch of biology that studies plants tuft, tussock - a bunch of hair or feathers or growing grass
	3.	coma - (astronomy) the luminous cloud of particles surrounding the frozen nucleus of a comet; forms as the comet approaches the sun and is warmed astronomy, uranology - the branch of physics that studies celestial bodies and the universe as a whole comet - (astronomy) a relatively small extraterrestrial body consisting of a frozen mass that travels around the sun in a highly elliptical orbit cloud - any collection of particles (e.g., smoke or dust) or gases that is visible

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coma

noun unconsciousness, trance, oblivion, lethargy, stupor, torpor, insensibility

Translations

coma [ˈkəumə] n → coma m

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coma [ˈkəumə] n → coma m

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coma [ˈkəumə] n → Koma nt;

to be in a coma → im Koma liegen

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coma [ˈkəumə] n → coma m inv