in·ca·les·cent (ĭn'kə-lěs'ənt) adj. Growing hotter or more ardent.
[Latin incalēscēns, incalēscent-, present participle of incalēscere, to grow warm : in-, intensive pref.; see in-2 + calēscere, to grow warm, inchoative of calēre, to be warm; see kelə-1 in Indo-European roots.] in'ca·les'cence n.