verb (used with object)

to heat before using or before subjecting to some further process: to preheat an oven before baking a cake.

Origin of preheat

First recorded in 1895–1900; pre- + heat
Related formspre·heat·er, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for preheat

Contemporary Examples of preheat

British Dictionary definitions for preheat


verb (tr)

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

Online Etymology Dictionary, © 2010 Douglas Harper