Look up: coma

1. 
   coma
   The dust and gas surrounding an active comet's nucleus.
   Found on http://www.solarviews.com/eng/terms.htm
   
   
2. 
   coma
   Latin, meaning: hair of the head, leaves, rays of light.
   Found on http://archives.nd.edu/ccc.htm
   
   
3. 
   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
   
   
4. 
   Coma
   The cloud of diffuse material surrounding the nucleus of a comet.
   Found on http://www2.jpl.nasa.gov/basics/bsfgloss
   
   
5. 
   Coma
   A coma is a state of deep unconsciousness.
   Found on http://www.encyclo.co.uk/nol.php
   
   
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.bbc.co.uk/schools/gcsebitesiz
   
   
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.bddiabetes.co.uk/
   
   
10. 
    Coma
    A period of profound and prolonged unconsciousness following disease or injury.
    Found on http://www.smithsrisca.demon.co.uk/neuro
    
    
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.exeterastro.co.uk/glossary.ht
    
    
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.nhsdirect.nhs.uk/glossary/
    
    
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 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.bddiabetes.co.uk/cgi-bin/bd/b
    
    
19. 
    Coma
    A state of unconsciousness from which the person cannot be roused by external stimuli.
    Found on http://www.gadsbywicks.co.uk/docs/GLOSSA
    
    
20. 
    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.
    
    
21. 
    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 nucleus form the comet`s head Category: The cosmos • a spot distortion occurring togeth...
    Found on http://www.mijnwoordenboek.nl/definition
    
    
22. 
    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%
    
    
23. 
    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 very difficult to eliminate in wideangle lenses with ...
    Found on http://www.rodsmith.org.uk/photographic%
    
    
24. 
    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
    
    
25. 
    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 branches forming the head of a tree; or a cluster of bracts when empty and terminating the inflorescence of a plant; or a tuft of long hairs on certa ...
    Found on http://www.encyclo.co.uk/webster/C/113