Intumesce :: Intumesce (v. i.) To enlarge or expand with heat; to swell; specifically, to swell up or bubble up under the action of heat, as before the blowpipe..
Intumescence :: Intumescence (n.) 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..
Intumescence :: Intumescence (n.) Anything swollen or enlarged, as a tumor..
Spumescent :: Spumescence (n.) The state of being foamy; frothiness.
Volumescope :: Volumescope (n.) An instrument consisting essentially of a glass tube provided with a graduated scale, for exhibiting to the eye the changes of volume of a gas or gaseous mixture resulting from chemical action, and the like..