flatline English

Meaning flatline meaning

What does flatline mean?

flatline noun

— An unchanging state, as indicated in a graph of a variable over time.

— Asystole; the absence of heart contractions or brain waves.

— The disappearance of the rhythmic peaks displayed on a heart monitor.

— The disappearance of brain waves on an electroencephalogram.

flatline verb

— (intransitive, of the heart) To stop beating.

— (intransitive, by extension) To die.

— (transitive, slang) To kill.

— To stay at the same level, without development; or, to fall.