preheat
verb
pre·heat
(ˌ)prē-ˈhēt 
preheated; preheating; preheats
: to heat (something) beforehand
especially
: to heat (an oven) to a designated temperature before using for cooking
preheater
noun
Examples of preheat in a Sentence
Preheat the oven to 375 degrees before you put the roast in.
Recent Examples on the Web
Always preheat your oven before using glass dishes, and never place hot glassware on a cold surface or vice versa.
—
Kait Hanson, Southern Living, 31 Oct. 2025
Place a baking steel or stone in the top third of the oven and preheat the broiler.
—Katie Parla, Saveur, 30 Oct. 2025
This can also quickly cook your food without the need to preheat, saving plenty of time for busy people.
—Bestreviews, Mercury News, 23 Oct. 2025
The blanket heats up quickly, so there's no need to preheat.
—Brigitt Earley, Glamour, 20 Oct. 2025
See All Example Sentences for preheat
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Kait Hanson, Southern Living, 31 Oct. 2025
Place a baking steel or stone in the top third of the oven and preheat the broiler.
—Katie Parla, Saveur, 30 Oct. 2025
This can also quickly cook your food without the need to preheat, saving plenty of time for busy people.
—Bestreviews, Mercury News, 23 Oct. 2025
The blanket heats up quickly, so there's no need to preheat.
—Brigitt Earley, Glamour, 20 Oct. 2025
See All Example Sentences for preheat
Cite this Entry
“Preheat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/preheat. Accessed 6 Nov. 2025.
Copy CitationKids Definition
preheat
verb
pre·heat
(ˈ)prē-ˈhēt
: to heat beforehand
preheat the oven to 400 degrees
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