pulsation

Noun
  1. (electronics) a sharp transient wave in the normal electrical state (or a series of such transients) (synset 107435591)
    "the pulsations seemed to be coming from a star"
    referred to in: electronics - the branch of physics that deals with the emission and effects of electrons and with the use of electronic devices
    is a type of: undulation, wave - (physics) a movement up and down or back and forth
    same as: impulse, pulse, pulsing
  2. A periodically recurring phenomenon that alternately increases and decreases some quantity (synset 111549746)
    is a type of: phenomenon - any state or process known through the senses rather than by intuition or reasoning
  3. The rhythmic contraction and expansion of the arteries with each beat of the heart (synset 107415506)
    "he could feel the beat of her heart"
    is a type of: periodic event, recurrent event - an event that recurs at intervals
    subtypes:
    • diastole - the widening of the chambers of the heart between two contractions when the chambers fill with blood
    • systole - the contraction of the chambers of the heart (especially the ventricles) to drive blood into the aorta and pulmonary artery
    • pounding, throb, throbbing - an instance of rapid strong pulsation (of the heart)
    same as: beat, heartbeat, pulse

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