"indandescence" is possible. "incandescent" literally means "glowing with heat". Applied to people it can mean "extremely angry".
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DelmobileCould it possibly have been "ignescence"? I just found the word "ignescent" in a thesaurus - I'd never heard it before but it means combustible. The noun form "ignescence" seems to be a word in French, at least.Me too. I've never heard that word either. I'd guess that hardly any English speakers
At least I've learned something new