Definition of "coma"
- noun
A state of sleep from which one may not wake up, usually induced by some form of trauma.
A cloud of dust surrounding the nucleus of a comet.
A defect characterized by diffuse, pear-shaped images that should be points.
A tuft or bunch, such as the assemblage of branches forming the head of a tree, a cluster of bracts when empty and terminating the inflorescence of a plant, or a tuft of long hairs on certain seeds.
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