intumescence

The act or process of swelling or the condition of being swollen.

A swollen organ or body part.

The state or process of swelling or enlarging, as with heat; expansion; tumidity.

A swollen or tumid growth or mass; tumefaction.

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.