coma

//ˈkoʊ.mə//
B2Frequency Level 10Technical
Visual representation of coma

Noun

comaSingular
comasPlural
1

A prolonged state of deep unconsciousness, typically caused by severe illness or injury, from which a person cannot be awakened.

The patient has been in a coma for three weeks after the accident.

2

A state of extreme lethargy or inactivity.

After the big exam, I fell into a coma and slept all weekend.

Noun

comaSingular
comasPlural
1

The diffuse cloud of gas and dust surrounding the nucleus of a comet.

The coma of the comet became visible as it approached the sun.