SUPERCRITICAL
Scrabble letter values: S1U1P3E1R1C3R1I1T1I1C3A1L1 = 19
Definition
- adjective (especially of fissionable material) able to sustain a chain reaction in such a manner that the rate of reaction increases.
Scrabble letter values: S1U1P3E1R1C3R1I1T1I1C3A1L1 = 19