ALL meanings of heartbeat
heart·beat
H h - noun heartbeat a pulsation of the heart, including one complete systole and diastole. 1
- noun heartbeat heart: pulsing 1
- noun heartbeat heart: single pulse 1
- noun heartbeat driving force 1
- noun heartbeat The pulsation of the heart. 1
- noun Definition of heartbeat in Technology 1. (networking) The signal emitted by a Level 2 Ethernet transceiver at the end of every packet to show that the collision-detection circuit is still connected. 2. A periodic synchronisation signal used by software or hardware, such as a bus clock or a periodic interrupt. 3. The "natural" oscillation frequency of a computer's clock crystal, before frequency division down to the machine's clock rate. 4. A signal emitted at regular intervals by software to demonstrate that it is still alive. Sometimes hardware is designed to reboot the machine if it stops hearing a heartbeat. See also breath-of-life packet, watchdog. 1
- singular noun heartbeat Your heartbeat is the regular movement of your heart as it pumps blood around your body. 0
- countable noun heartbeat A heartbeat is one of the movements of your heart. 0
- noun heartbeat one complete pulsation of the heart 0
- noun heartbeat one pulsation, or full contraction and dilation, of the heart 0
- noun heartbeat the continuous series of such pulsations constituting the rhythmic beating of the heart 0
- noun heartbeat a very brief period of time; moment; instant 0
- noun heartbeat the vital core or motivating force 0
- noun heartbeat One pulsation of the heart; especially an irregular one, hence the emotion which causes it. 0
- noun heartbeat The rhythm at which a heart pulsates, a cardiac indicator. 0
- noun heartbeat A driving impulse or vital force. 0
- noun heartbeat A very short space of time; an instant. 0
- noun heartbeat (computing) A periodic signal generated by hardware or software to indicate normal operation or to synchronize other parts of a system. 0