flatline

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verb flat·line \ˈflat-ˌlīn\

Definition of flatline

  1. intransitive verb
  2. 1a :  to register on an electronic monitor as having no brain waves or heartbeatb :  die

  3. 2a :  to be in a state of no progress or advancementb :  to come to an end

flatliner

noun

Examples of flatline in a Sentence

  1. the patient was fading fast, and doctors expected him to flatline before the night was over

First Known Use of flatline

1980


Medical Dictionary

flatline

play
intransitive verb flat·line \ˈflat-ˌlīn\

Medical Definition of flatline

flatlined

;

flatlining

  1. 1:  to register on an electronic monitor as having no heartbeart or brain waves :  to experience cessation of heart contractions or brain wave activity as indicated by a flat line on a electrocardiogram or electroencephalogram I flatlined on the operating table, but Dr. Bunsom managed to revive me.—Alison Wright, Yoga Journal, May/June 2005 He used to be ill quite a bit as a younger child, and his heart flatlined four times before he was 6.—Ginnie Graham, Tulsa World, 19 Dec. 2007

  2. 2:  die[1] But just because death is expected doesn't mean it's any less depressing when the patient finally flatlines.—Phil Taylor, Sports Illustrated, 26 Jan. 2009



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