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supercritical

[soo-per-krit-i-kuh l]
See more synonyms for supercritical on Thesaurus.com
adjective
  1. extremely critical.
  2. Physics. pertaining to a mass of radioactive material in which the rate of a chain reaction increases with time.
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Origin of supercritical

First recorded in 1600–10; super- + critical
Related formssu·per·crit·i·cal·ly, adverbsu·per·crit·i·cal·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for supercritical

Historical Examples

  • The practical person, the wary pedant, and the supercritical will scoff at this, but let it stand.

    Dickens' London

    Francis Miltoun


British Dictionary definitions for supercritical

supercritical

adjective
  1. physics (of a fluid) brought to a temperature and pressure higher than its critical temperature and pressure, so that its physical and chemical properties change
  2. nuclear physics of or containing more than the critical mass
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012