Definitions for "Intumesce"
Keywords:  bubble, swell, foam, froth, marx
To enlarge or expand with heat; to swell; specifically, to swell up or bubble up under the action of heat, as before the blowpipe.
To foam, swell, froth, or bubble up as a result of heat, liquid, air or chemical action.
move upwards in bubbles, as from the effect of heating; also used metaphorically; "Gases bubbled up from the earth"; "Marx's ideas have bubbled up in many places in Latin America"