Definition of subcritical
1 : less or lower than critical in respect to a specified factor
2a : of insufficient size to sustain a chain reaction a subcritical mass of fissionable materialb : designed for use with fissionable material of subcritical mass a subcritical reactor
Recent Examples of subcritical from the Web
Setbacks can as easily stoke as sap, movements may grow as well as wither, and every critical mass has, of necessity, been built from a subcritical one.
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