pulsation

Plural: pulsations

Noun

• (electronics) a sharp transient wave in the normal electrical state (or a series of such transients)
  • "the pulsations seemed to be coming from a star"
• a periodically recurring phenomenon that alternately increases and decreases some quantity
• the rhythmic contraction and expansion of the arteries with each beat of the heart
• The regular throbbing of the heart, an artery etc. in a living body; the pulse.
• Any rhythmic beating, throbbing etc.
• The rhythmic increase and decrease of size in naked zoospores and plasmodia.
• Physical striking; a blow.
• A single beat, throb or vibration.

Synonyms

beat, heartbeat, impulse, pulse, pulsing