- extremely critical.
- Physics. pertaining to a mass of radioactive material in which the rate of a chain reaction increases with time.
Origin of supercritical
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for supercritical
Historical Examples of supercritical
The practical person, the wary pedant, and the supercritical will scoff at this, but let it stand.Dickens' London
- 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
- nuclear physics of or containing more than the critical mass
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