coma plural
co·ma
The plural form of coma is comas
C cDefinitions
- noun plural coma a state of prolonged unconsciousness, including a lack of response to stimuli, from which it is impossible to rouse a person. 1
- noun plural coma Astronomy. the nebulous envelope around the nucleus of a comet. 1
- noun plural coma Optics. a monochromatic aberration of a lens or other optical system in which the image from a point source cannot be brought into focus, the image of a point having the shape of a comet. 1
- noun plural coma Botany. a tuft of silky hairs at the end of a seed. the leafy crown of a tree; cluster of leaves at the end of a stem. a terminal cluster of bracts, as in the pineapple. 1