coma
/ˈkoʊmə/ noun C2- A cloud of dust surrounding the nucleus of a comet.
- A defect characterized by diffuse, pear-shaped images that in an ideal image would appear as 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.
Plural comae
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