intransitive verb-·mesced′, -·mesc′ing
to swell, enlarge, expand, or bubble up, as with heat
Origin of intumesceClassical Latin intumescere: see in- and tumescent
intransitive verbin·tu·mesced, in·tu·mesc·ing, in·tu·mesc·es
- To swell or expand; enlarge.
- To bubble up, especially from the effect of heating.
Origin of intumesceLatin intumēscere in- intensive pref. ; see in- 2. tumēscere to begin to swell inchoative of tumēre to swell ; see teuə- in Indo-European roots.
(third-person singular simple present intumesces, present participle intumescing, simple past and past participle intumesced)
From Latin intumēscō.