The Collaborative International Dictionary
Excandescence
Excandescence \Ex`can*des"cence\, n. [L. excandescentia.]
A growing hot; a white or glowing heat; incandescence.
Violent anger; a growing angry. [Obs.]
--Blount.
Wiktionary
excandescence
n. 1 The state of being excandescent, of glowing with heat. 2 Heat of passion; violent anger.