Heartbeat Definition

härtbēt
heartbeats
noun
heartbeats
One pulsation, or full contraction and dilation, of the heart.
Webster's New World
The continuous series of such pulsations constituting the rhythmic beating of the heart.
An irregular heartbeat.
Webster's New World
An instant.
I'll be there in a heartbeat.
American Heritage
The vital core or motivating force.
Webster's New World
A very brief period of time; moment; instant.
Reappeared in a heartbeat.
Webster's New World
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Other Word Forms of Heartbeat

Noun

Singular:
heartbeat
Plural:
heartbeats

Origin of Heartbeat

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heartbeat