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BNC: 12065 COCA: 9163

coma

1 of 2

noun (1)

co·​ma ˈkō-mə How to pronounce coma (audio)
1
: a state of profound unconsciousness caused by disease, injury, or poison
2
: a state of mental or physical sluggishness : torpor

coma

2 of 2

noun (2)

plural comae ˈkō-ˌmē How to pronounce coma (audio)
-ˌmī
1
: a tufted bunch (as of branches, bracts, or seed hairs)
2
: the head of a comet consisting of a cloud of gas and dust and usually containing a nucleus
3
: an optical aberration in which the image of a point source is a comet-shaped blur
comatic adjective

Word History

Etymology

Noun (1)

New Latin, from Greek kōma deep sleep

Noun (2)

Latin, hair, from Greek komē

First Known Use

Noun (1)

1646, in the meaning defined at sense 1

Noun (2)

1669, in the meaning defined at sense 1

Time Traveler
The first known use of coma was in 1646

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