Intumescence
Pronunciation : In`tu*mes"cence
Part of Speech : n.
Etymology : [Cf. F. intumescence.]
Definition : 1. The act or process of swelling or enlarging; also, the state of being swollen; expansion; tumidity; especially, the swelling up of bodies under the action of heat. The intumescence of nations. Johnson.
2. Anything swollen or enlarged, as a tumor.
Source : Webster's Unabridged Dictionary, 1913