• synonyms


verb (used with object)
  1. to heat before using or before subjecting to some further process: to preheat an oven before baking a cake.
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Origin of preheat

First recorded in 1895–1900; pre- + heat
Related formspre·heat·er, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for preheat


verb (tr)
  1. to heat (an oven, grill, pan, etc) beforehand
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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

Word Origin and History for preheat


also pre-heat, 1878, from pre- + heat (v.). Related: Preheated; preheating.

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Online Etymology Dictionary, © 2010 Douglas Harper