Intumescence

n.	1.
	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.

Noun	1.	intumescence - swelling up with blood or other fluids (as with congestion) Synonyms: intumescency
	2.	intumescence - the swelling of certain substances when they are heated (often accompanied by release of water) Synonyms: intumescency, swelling

benign tumor, bloat, bloatedness, bloating, blowing up, boil, bump, bunion, callosity, callus, cancer, carbuncle, carcinoma, corn, cyst, diastole, dilatation, dilation, distension, dropsy, edema, excrescence, flatulence, flatulency, flatus, fungosity, fungus, furuncle, gassiness, growth, inflation, lump, malignant growth, metastatic tumor, meteorism, mole, morbid growth, neoplasm, nevus, nonmalignant tumor, outgrowth, pimple, pock, proud flesh, puff, puffiness, puffing, pustule, rising, sarcoma, sebaceous cyst, stretching, swell, swellage, swelling, swollenness, tumefaction, tumescence, tumidity, tumidness, tumor, turgescence, turgescency, turgidity, turgidness, tympanism, tympany, verruca, wart, wen, windiness