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colza
colza oil
COM
Com.
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Coma Berenices
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coma (2)

co·ma [ kṓmə ] (plural co·mae [ kṓmee ])


noun 
Definition:
 
1. cloud around head of comet: a luminous cloud of gas and dust surrounding the head of a comet

2. distortion of image: a defect in a lens that produces a blurred, comet-shaped image of a point, or the image produced

[Early 17th century. Via Latin < Greek komē "hair of the head"]

co·mal adjective
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