white hot

Adjective

white-hot (not comparable)

1. Hot enough to glow with a bright white light.
   • The heat of the fire, the steam which arose from the dampening water, the hard slogging at the white-hot metal of the links, and the continual pulling of lengths of chain, were calculated to put a test on the strongest of men, and often on hot summer days they had to be sent home, for the work...1945 January and February, A Former Pupil, “Some Memories of Crewe Works—III”, in Railway Magazine, page 14
2. (figuratively) Extremely fervid or zealous.
   • a white-hot rage
3. Blazing.
   • Flames raced up the rows, blistering and charring and igniting ancient wood that erupted in a white-hot flare of heat.2017, Brad Abraham, Magicians Impossible: A Novel, St. Martin's Publishing Group, →ISBN, page 352