coma

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coma

deep prolonged unconsciousness
Not to be confused with:
comma – punctuation mark (,) that indicates a pause in a sentence: A misplaced comma can convey a very different meaning.
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree

co·ma 1

 (kō′mə)
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 kōma, deep sleep.]

co·ma 2

 (kō′mə)
n. pl. co·mae (-mē)
1. Astronomy The nebulous luminescent cloud surrounding the nucleus of a comet and composed of material evaporated from the nucleus when the comet is near the perihelion of its orbit. The nucleus and coma together form 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 milkweed seed.
3. Physics A diffuse, comet-shaped image of a point source of light or radiation caused by aberration in an optical system.

[Latin, hair, from Greek komē.]

co′mal adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

coma

(ˈkəʊmə)
n, pl -mas
(Pathology) a state of unconsciousness from which a person cannot be aroused, caused by injury to the head, rupture of cerebral blood vessels, narcotics, poisons, etc
[C17: from medical Latin, from Greek kōma heavy sleep; related to Greek koitē bed, perhaps to Middle Irish cuma grief]

coma

(ˈkəʊmə)
n, pl -mae (-miː)
1. (Astronomy) astronomy the luminous cloud surrounding the frozen solid nucleus in the head of a comet, formed by vaporization of part of the nucleus when the comet is close to the sun
2. (Botany) botany
a. a tuft of hairs attached to the seed coat of some seeds
b. the terminal crown of leaves of palms and moss stems
3. (General Physics) optics a type of lens defect characterized by the formation of a diffuse pear-shaped image from a point object
[C17: from Latin: hair of the head, from Greek komē]
ˈcomal adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

co•ma1

(ˈkoʊ mə)

n., pl. -mas.
a state of prolonged unconsciousness, including a lack of response to stimuli, from which it is impossible to rouse a person.
[1640–50; < Greek kôma deep sleep]

co•ma2

(ˈkoʊ mə)

n., pl. -mae (-mē).
1. the nebulous envelope around the nucleus of a comet.
2. a monochromatic aberration of a lens or other optical system in which the image from a point source cannot be focused.
3. a tuft of hairs on a seed or a terminal cluster of leaves or bracts, as on a stem.
[1660–70; < Latin: hair < Greek kómē]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

co·ma 1

(kō′mə)
A state of deep unconsciousness resulting from disease or injury, from which a person cannot be aroused. A person in a coma usually is unable to respond to events taking place outside the body.

coma 2

The brightly shining cloud of gas that encircles the nucleus and makes up the major portion of the head of a comet that is near the sun.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.coma - a state of deep and often prolonged unconsciousness; usually the result of disease or injury
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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

coma

noun unconsciousness, trance, oblivion, lethargy, stupor, torpor, somnolence, insensibility She had slipped into a coma by the time she reached the hospital.
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002
Translations
غَيْبُوبَةغَيْبوبَه، فُقْدان الذّاكِرَه
kómabezvědomí
comakoma
koomatajuttomuuskoma
koma
kóma
昏睡
혼수
koma
koma
comă
kóma
koma
สภาพไม่รู้สึกตัวของผู้ป่วย
trạng thái hôn mê

coma

[ˈkəʊmə] Ncoma m
to be in a comaestar en (estado de) coma
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

coma

[ˈkəʊmə] ncoma m
to be in a coma → être dans le coma
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

coma

nKoma nt; to be in a comaim Koma liegen; to go or fall into a comains Koma fallen
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

coma

[ˈkəʊmə] n (Med) → coma m inv
to go into a coma → entrare in coma
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

coma

(ˈkoumə) noun
a long-continuing unconscious state. He was in a coma for several days after the accident.
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.

coma

غَيْبُوبَة kóma koma Koma κώμα coma kooma coma koma coma 昏睡 혼수 coma koma śpiączka coma кома koma สภาพไม่รู้สึกตัวของผู้ป่วย koma trạng thái hôn mê 昏迷
Multilingual Translator © HarperCollins Publishers 2009

coma

n coma m
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.