intumescence

in·tu·mes·cence

noun \-ˈmes-^ən(t)s\

Definition of INTUMESCENCE

1

a : the action or process of becoming enlarged or swollen b : the state of being swollen

2

: something (as a tumor) that is swollen or enlarged

—in·tu·mesce \-ˈmes\ intransitive verb, in·tu·mesced in·tu·mesc·ing