Definition of "blue-hot" [blue-hot]

• Blue with heat: said of a body at so high a temperature that the more refrangible rays, that is, the blue and violet, preponderate in its total radiation, so that the light it emits appears blue.

The Century Dictionary (Public Domain)

• "All I know is that I was ecstatically, painfully in love with him, waiting for him to slip away, leaving me with my palms singed from clutching a blue-hot star."
• "Geyser-like volcanoes would be erupting, sending their blue-hot plumes several miles into space."
• "It's as dangerous to look the Joker in the eyes as it is to train a telescope on the sun, they say, but Batman has faced down this blue-hot lunacy before."