ˌekskənˈdes ə n(t)s, -ˌkan- noun
also ex·can·des·cen·cy -des ə nsē
( plural excandescences also excandescencies )
Etymology: Latin excandescentia, from excandescent-, excandescens (present participle of excandescere to grow hot, glow, burn, from ex- ex- (I) + candescere to glow, grow red hot, incho. of candēre to shine) + -ia -y — more at candid
archaic : a feverish condition brought on by anger or passion