Look up: coma

1. coma
   Type: Term Pronunciation: kō′mă Definitions: 1. A state of profound unconsciousness from which one cannot be roused; may be due to the action of an ingested toxic substance or of one formed in the body, to trauma, or to disease. 2. An aberration of spheric lenses; occurring in cases ...
   Found on http://www.medilexicon.com/medicaldictio
   
   
2. coma
   The dust and gas surrounding an active comet's nucleus.
   Found on http://www.solarviews.com/eng/terms.htm
   
   
3. coma
   Latin, meaning: hair of the head, leaves, rays of light.
   Found on http://archives.nd.edu/ccc.htm
   
   
4. coma
   A spherical cloud of material surrounding the head of a comet. This material is mostly gas that the Sun has caused to boil off the comet's icy nucleus. This gas shines both by reflected sunlight and light emitted by excited molecules. A cometary coma can extend up to a million miles from the nucleus.
   Found on http://antwrp.gsfc.nasa.gov/apod/lib/glo
   
   
5. Coma
   The cloud of diffuse material surrounding the nucleus of a comet.
   Found on http://www.encyclo.co.uk/visitor-contrib
   
   
6. coma
   (Humans as organisms) a state of deep unconciousness in which a person does not respond to any external stimuli
   Found on http://www.encyclo.co.uk/visitor-contrib
   
   
7. Coma
   A lens defect which results in points of light appearing in the image not as points but as discs with comet-like tails.
   Found on http://www.peterashbyhayter.co.uk/glossa
   
   
8. coma
   [n] - a usually terminal tuft of hairs especially on a seed 2. [n] - (astronomy) the luminous cloud of particles surrounding the frozen nucleus of a comet 3. [n] - a state of deep and often prolonged unconsciousness
   Found on http://www.webdictionary.co.uk/definitio
   
   
9. Coma
   A sleep-like state in which a person is not conscious. May be caused by hyperglycaemia (high blood glucose) or hypoglyceamia (low blood glucose) in people with diabetes.
   Found on http://www.encyclo.co.uk/visitor-contrib
   
   
10. Coma
    A period of profound and prolonged unconsciousness following disease or injury.
    Found on http://www.encyclo.co.uk/local/20437
    
    
11. coma
    a sleep-like state in which a person is not conscious. May be caused by hyperglycemia (high blood glucose) or hypoglycemia (low blood glucose) in people with diabetes.
    Found on http://www.diabetes.co.uk/glossary/c.htm
    
    
12. Coma
    The dust and gas surrounding the nucleus of a comet. A defect in an optical system which gives rise to a blurred, pear shaped, comet-like image.
    Found on http://www.encyclo.co.uk/visitor-contrib
    
    
13. Coma
    A spherical cloud of material surrounding the head of a comet. This material is mostly gas that the Sun has caused to boil off the comet's icy nucleus. This gas shines both by reflected sunlight and light emitted by excited molecules. A cometary coma can extend up to a million miles from the nucleus.
    Found on http://www.diracdelta.co.uk/science/sour
    
    
14. coma
    The gas and dust surrounding the nucleus of a comet.. We see a comet's coma for two reasons. First, because the dust in the coma reflects sunlight and, second, because sunlight makes the gas in the coma fluorescent.
    Found on http://www.gcse.com/glos.htm
    
    
15. Coma
    a condition in which the area of the brain involved in maintaining consciousness is somehow affected, resulting in a state of unconsciousness in which the patient does not respond to stimulation
    Found on http://www.medichecks.com/glossary.cfm?l
    
    
16. Coma
    A coma is a sleep like state when someone is unconscious for a long period of time.
    Found on http://www.nhs.uk/Conditions/Pages/hub.x
    
    
17. Coma
    A state of profound unconsciousness in which there is total unresponsiveness
    Found on http://www.dwp.gov.uk/medical/med_condit
    
    
18. Coma
    A state of unconsciousness from which the person cannot be roused by external stimuli.
    Found on http://www.gadsbywicks.co.uk/uploaded/38
    
    
19. Coma
    Our Coma Main Article provides a comprehensive look at the who, what, when and how of Coma Coma: A state of deep unarousable unconsciousness. Coma may occur as the result of numerous causes including head trauma, diseases such as diabetes, poisoning, etc.
    Found on http://www.medterms.com/script/main/art.
    
    
20. coma
    unnatural, lethargic, sleeplike state of unconsciousness that can accompany brain damage, heart attack, heavy infection, toxic state or other major trauma Category: Management in the public and private sector • the nebulous cloud surrounding the nucleus of a comet. Together, the coma and...
    Found on http://www.mijnwoordenboek.nl/definition
    
    
21. Coma
    A lens aberration or defect that causes rays that passes obliquely through the lens to be focused at different points on the film plane.
    Found on http://www.rodsmith.org.uk/photographic%
    
    
22. Coma
    A lens aberration restricted to off axis image points; the inability of a lens to render point sources of light near the edges of the frame as circular; the points of light appear as comet-shaped blurs (hence the name coma) with the tails flaring toward the center of the image; this aberration is ve...
    Found on http://www.rodsmith.org.uk/photographic%
    
    
23. Coma
    Co'ma (kō'mȧ) noun [ New Latin , from Greek kw^ma lethargy, from koima^n to put to sleep. See Cemetery .] A state of profound insensibility from which it is difficult or impossible to rouse a person. See Carus .
    Found on http://www.encyclo.co.uk/webster/C/113
    
    
24. Coma
    Co'ma noun [ Latin , hair, from Greek ko`mh .] 1. (Astron.) The envelope of a comet; a nebulous covering, which surrounds the nucleus or body of a comet. 2. (Botany) A tuft or bunch, -- as the assemblage of...
    Found on http://www.encyclo.co.uk/webster/C/113
    
    
25. coma
    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) ...
    Found on http://www.mondofacto.com/facts/dictiona