Excandescence

Exˊcan-des′cence

,

Noun.

[L.

excandescentia

.]

1.

A growing hot; a white or glowing heat; incandescence.

[R.]

2.

Violent anger; a growing angry.

[Obs.]

Blount.

,

Noun.

[L. excandescentia, excandesco; ex and candesco, candeo, to glow or be hot, from caneo, to be white, to shine.]

1.

A growing hot; or a white heat; glowing heat.

2.

Heat of passion; violent anger; or a growing angry.

excandescence ‎(uncountable)

“excandescence” in An American Dictionary of the English Language, by Noah Webster, 1828.
excandescence in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
“excandescence” in Dictionary.com Unabridged, v1.0.1, Lexico Publishing Group, 2006.