red heat

See synonyms for red heat on Thesaurus.com
noun
  1. the temperature of a red-hot body.

  2. the condition of being red-hot.

Origin of red heat

1
First recorded in 1680–90

Words Nearby red heat

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use red heat in a sentence

  • Water gas is made by placing coke in a vertical cylinder and heating the coke to a red heat.

    Poisons: Their Effects and Detection | Alexander Wynter Blyth
  • At red heat, the little molecules can squeeze themselves through the crystalline interstices of quartz and steel.

    Unwise Child | Gordon Randall Garrett
  • The art of brazing is applied to metals which will withstand a red heat, and the joints so soldered have the strength of brass.

    On Laboratory Arts | Richard Threlfall
  • All these alloys appear to require annealing at a red heat before their resistances are anything like constant.

    On Laboratory Arts | Richard Threlfall
  • The precipitate, when well washed, is to be placed in a Hessian crucible, and exposed to a red heat for half an hour.

British Dictionary definitions for red heat

red heat

noun
  1. the temperature at which a substance is red-hot

  2. the state or condition of being red-hot

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