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white-hot

American  
[hwahyt-hot, wahyt-] / ˈʰwaɪtˈhɒt, ˈwaɪt- /

adjective

  1. extremely hot.

  2. showing white heat.

  3. exceedingly enthusiastic, ardent, angry, devoted, etc.; impassioned; perfervid.

    a fierce, white-hot loyalty to the king.
white-hot British  

adjective

  1. at such a high temperature that white light is emitted

  2. informal in a state of intense emotion

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of white-hot

First recorded in 1810–20

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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