supercritical(redirected from supercritically)
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Related to supercritically: Supercritical flow
1. (General Physics) 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) nuclear physics of or containing more than the critical mass
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|Adj.||1.||supercritical - (especially of fissionable material) able to sustain a chain reaction in such a manner that the rate of reaction increases|
critical - at or of a point at which a property or phenomenon suffers an abrupt change especially having enough mass to sustain a chain reaction; "a critical temperature of water is 100 degrees C--its boiling point at standard atmospheric pressure"; "critical mass"; "go critical"