In`tu*mes"cence (?), n. [Cf. F. intumescence.]
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.
© Webster 1913.