'brisance' definitions:

Definition of 'brisance'

From: WordNet
noun
The shattering or crushing effect of a sudden release of energy as in an explosion

Definition of 'brisance'

From: GCIDE
  • brisance \bri"sance\ n. the shattering or crushing effect of a sudden release of energy as in an explosion; -- used especially as a measure of such a shattering power, applied to high explosives. [WordNet 1.5 +PJC]