noun
- the regular beating in the arteries, caused by the contractions of the heart
- any beat, signal, vibration, etc. that is regular or rhythmical
- the perceptible underlying feelings of the public or of a particular group
- a variation, characterized by a rise, limited duration, and decline, of a quantity whose value normally is constant; specif.,
- Elec. a brief surge of voltage or current
- Radio a very short burst of electromagnetic waves
Origin:
ME pous < OFr < L pulsus (venarum), beating (of the veins) < pulsus, pp. of pellere, to beat: see felt
intransitive verb pulsed, pulsing
to pulsate; throb