flatlines

/ˈflætlaɪnz/
verb
  1. Third person singular of flatline; dies or stops functioning; shows a flat line on a medical monitor.
    • If the patient flatlines again, we will use the defibrillator.
    • The machine flatlines whenever the power supply is interrupted.
    • Her heart flatlines for a few seconds before the pacemaker kicks in.
  2. Remains at a constant, low level with no growth or change.
    • The temperature flatlines at 30 degrees for the entire winter.
    • His motivation flatlines after the first week of a new project.
    • The population flatlines when birth rates equal death rates.
noun
  1. Plural of flatline; multiple flat lines on medical monitors indicating no heartbeat or brain activity.
    • The nurse saw two flatlines on the screen and called for help.
    • The training video showed examples of flatlines and normal heart rhythms.
    • The monitor recorded several flatlines during the experiment.
What does "flatlines" mean? | whatsthatwordmean | whatsthatwordmean