incandescent: / ɪnkanˈdɛs(ə)nt / (adjective)
1. Glowing with a brilliant white light; emitting an intense
light, especially as a result of being heated to a white-hot state.
2. Intensely bright, luminous.
3. Seared by strong emotion, passionate.
4. Extremely angry, incensed.
[From Latin incandescere, ‘grow hot, glow’, from candescere, ‘become white’]