Dictionary
Thesaurus
Encyclopedia
Translator
Web
Related Searches
Synonyms
Nearby Words

coma

 - 8 dictionary results
Brain Injury Glossary
Commonly used medical and clinical terms.
www.finr.net
Coma
What is a Coma? Learn the Risks, Causes & Recovery.
www.Lifescript.com
Coma and TBI Rehab
Rehab options for comas, PVS, locked-in, and TBI
www.traumaticbraininjury.net

co⋅ma

1  [koh-muh]
Use coma in a Sentence
–noun, plural -mas.
a state of prolonged unconsciousness, including a lack of response to stimuli, from which it is impossible to rouse a person.
Origin:
1640–50; < Gk kôma deep sleep
Brain Injury Glossary
Commonly used medical and clinical terms.
www.finr.net
Coma
What is a Coma? Learn the Risks, Causes & Recovery.
www.Lifescript.com

co⋅ma

2  [koh-muh]
–noun, plural -mae  [-mee] .
1. Astronomy. the nebulous envelope around the nucleus of a comet.
2. Optics. a monochromatic aberration of a lens or other optical system in which the image from a point source cannot be brought into focus, the image of a point having the shape of a comet.
3. Botany.
a. a tuft of silky hairs at the end of a seed.
b. the leafy crown of a tree; cluster of leaves at the end of a stem.
c. a terminal cluster of bracts, as in the pineapple.
Origin:
1660–70; < L: hair < Gk kómē
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To coma
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 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 komē.]
co'mal adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Cultural Dictionary

coma [(koh-muh)]

An abnormal state of deep unconsciousness. A coma may occur as the result of trauma to the head, disease (such as meningitis, stroke, or diabetes mellitus), or poisoning.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Word Origin & History

coma 
1646, from Gk. koma (gen. komatos) "deep sleep." Comatose first recorded 1755.
Online Etymology Dictionary, © 2001 Douglas Harper
Cite This Source
Medical Dictionary

Main Entry: co·ma
Pronunciation: 'kO-m&
Function: noun
: a state of profound unconsciousness caused by disease, injury, or poison
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
Cite This Source
Medical Dictionary

coma co·ma (kō'mə)
n.
A state of profound unconsciousness in which an individual is incapable of sensing or responding to external stimuli.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Search another word or see coma on Thesaurus | Reference
Coma and TBI Rehab
Rehab options for comas, PVS, locked-in, and TBI
www.traumaticbraininjury.net
"Coma" (1978) DVD
Mystery. Genevieve Bujold. See 1000s of titles not found elsewhere
MoviesUnlimited.com
FacebookTwitterFollow us:
Partner Sites:
Ask AnswersEviteExpediaHotelsHotwireLife123LiveDailyMy Way