intr.v. in·tu·mesced, in·tu·mesc·ing, in·tu·mesc·es 1. To swell or expand; enlarge. 2. To bubble up, especially from the effect of heating. [Latin intumēscere : in-, intensive pref.; see IN-2 + tumēscere, to begin to swell, inchoative of tumēre, to swell; see teuə- in the Appendix of Indo-European roots.] |
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