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supercritical definition

super·criti·cal (so̵̅o̅′pər krit′i kəl)

adjective

  1. Chem. designating or of a fluid at a temperature greater than its critical temperature
  2. Nuclear Physics designating or of a highly unstable mass of fissionable material in which the total number of free neutrons and the rate of fission increase with time

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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