pulsation :

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  • n  (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
  • n  a periodically recurring phenomenon that alternately increases and decreases some quantity
  • n  the rhythmic contraction and expansion of the arteries with each beat of the heart

  • The classic example of this pulsation is the periodic appearance of Scandinavian lemmings, which every three to four years rush by thousands to the coasts, then swim far out to .
  • Variations in electric charge cause atoms to expand, contract, result in a pulsation of the earth.
  • Contraction of the heart pushed the small lead pellet into the left ventricle, whence further pulsation drove it into the aorta, main feeder of the arterial system.
News & Articles

  • Panel Builder's Pressure Gauge delivers reliability via design.
    Ashcroft® Type 2008S features 63 mm dia gauge dial that combines stainless steel wetted parts and case along with PowerFlex™ spring suspended movement to promote reliability and longevity. Also available, liquid fill and PLUS! Performance™ dampen potential pointer bounce caused by vibration and pulsation. This all-welded, front-flanged pressure gauge is suited for monitoring ...
    Sept. 5, 2013 - ThomasNet

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