Definitions for "Intumescence"
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.
Anything swollen or enlarged, as a tumor.
The swelling or bubbling of a coating usually because of heating (term currently used in space and fire protection applications).
A mechanism whereby fire-retardant paints protect the substrates to which they are applied. An intumescent paint puffs up when exposed to high temperatures, forming an insulating, protective layer over the substrate.