The Collaborative International Dictionary
Excandescent
Excandescent \Ex`can*des"cent\, a. [L. excandescens, p. pr. of
excandescere to take fire, glow; ex out (intens.) +
candescere to begin to glisten or glow, fr. candere. See
Candid.]
White or glowing with heat. [R.]
--Ure.
Wiktionary
excandescent
a. glowing with heat.