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heartbeat

heartbeat

3 4.8
A regular signal sent between computers to show they are working
  • noun
  • /ˈhɑːrtˌbiːt/
  • Specialized
translation icon : señal de latido
  • The system sends a heartbeat signal every minute to confirm it is still active.
  • heartbeat detection

Examples

  • For example, RADAR may be used to detect and/or locate a heartbeat in the room.

    Blog text (1)
  • Our heartbeat detection method returns three possible results: "unusable," "alive," or "dead."

    Academic text (2016)
  • For the purpose of heartbeat detection, we need to restrict the search field to the thorax region.

    Academic text (2016)
  • Depending on parameters, this filtering could be too strong and could cause the heartbeat to become undetectable.

    Academic text (2016)
  • Heartbeat detected.

  • Would a nine-minute lapse in restoring the heartbeat in and of itself be negligence?

  • Consequently, we chose variance measures in the embryo's body, excluding the eyes, to detect heartbeats.

    Academic text (2016)
  • The purpose of the challenge was to encourage the exploration of robust methods for locating heartbeats in continuous long-term data from bedside monitors and similar devices.

    Academic text (2017)
  • To ensure reliability, the software checks for a heartbeat from each component regularly.

  • When designing a network, it's vital to implement heartbeat messages to monitor connectivity.

Synonyms

pulse
vsheartbeat
632 2.3

The regular beat you feel in your wrist or neck from the heart

is a periodic system message showing components are reachable and alive
pulsebeat
vsheartbeat
  • Specialized
5.1

A regular electronic signal that controls timing in machines

is used to show system liveness and to trigger recovery

Antonyms

Being separate from people, things, or contact, for example losing internet

Idioms

in a heartbeat
  • Informal
50 3.2

Right away without any hesitation

Compounds

4.1

An uneven beating of the heart that is not steady

Surface Forms

heartbeat singular
heartbeats plural

Morphology

heartbeat = heart + beat (semi-transparent) = heart + beat

Technical computing usage borrows the periodic-pulse metaphor; the compound components suggest a repeated signal but the domain-specific application may be unfamiliar to some learners.

Etymology

Heartbeat in computing uses the same idea: systems send a steady small beat or signal to show they are 'alive' and working. That's why if the 'heartbeat' stops, the system is seen as failed and action is taken to fix it.