"heated to full incandescence," 1820, from white (adj.) + hot (adj.). White heat is from 1710; figurative sense of "state of intense or extreme emotion" first recorded 1839.
fierce white-hot loyalty
a white-hot center of the fire
white trash
whiteboard
whitecap
white-collar
whitefish
white-hot
whiten
whiteness
white-out
white-tail
whitewash
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