Coma

/kˈə‌ʊmɐ/

/ˈkoʊmə/

Coma

a state of deep unconsciousness, typically of a long duration and caused by a serious injury or severe illness

(astronomy) the luminous cloud of particles surrounding the frozen nucleus of a comet; forms as the comet approaches the sun and is warmed

(botany) a usually terminal tuft of bracts (as in the pineapple) or tuft of hairs (especially on certain seeds)

Examples

1. Eventually, doctors induced a coma.

2. One of these is a coma.

3. It introduces astigmatism, coma.

4. Coma will only last for a couple of days to weeks.