American English

Definition of heartbeat noun from the Oxford Advanced American Dictionary



    jump to other results
  1. 1[countable, uncountable] the movement or sound of the heart as it sends blood around the body a rapid/regular heartbeat
  2. 2[singular] the heartbeat of something an important feature of something, that is responsible for making it what it is The candidate said that he understood the heartbeat of the Hispanic community in California.
  3. Idioms
    a heartbeat away (from something)
    jump to other results
    very close to something Her game is just a heartbeat away from perfection.
    in a heartbeat
    jump to other results
    very quickly, without thinking about it If I was offered another job, I'd leave in a heartbeat.
See the Oxford Advanced Learner's Dictionary entry: heartbeat