English edit

Etymology edit

counter- +‎ shock

Noun edit

countershock (plural countershocks)

  1. A shock that travels in the opposite direction to an applied impulse
    • 2015 July 11, “The Still Bay and Howiesons Poort at Sibudu and Blombos: Understanding Middle Stone Age Technologies”, in PLOS ONE[1], →DOI:
      This kind of break by countershock in the haft occurs on Paleoindian bifacial point and has been reproduced experimentally on replicas of Paleoindian and Solutrean shouldered points [63 ].