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
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
While the oven preheats, boil some water in a large pot and cook lasagna noodles according to package directions.
—Sarah Martens, Better Homes & Gardens, 5 Oct. 2025
When ready to bake, preheat oven to 375℉, and let lasagna stand at room temperature while oven preheats.
—Kimberly Holland, Southern Living, 3 Oct. 2025
See All Example Sentences for preheat
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Bestreviews, Mercury News, 23 Oct. 2025
The blanket heats up quickly, so there's no need to preheat.
—Brigitt Earley, Glamour, 20 Oct. 2025
While the oven preheats, boil some water in a large pot and cook lasagna noodles according to package directions.
—Sarah Martens, Better Homes & Gardens, 5 Oct. 2025
When ready to bake, preheat oven to 375℉, and let lasagna stand at room temperature while oven preheats.
—Kimberly Holland, Southern Living, 3 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 30 Oct. 2025.
Copy CitationKids Definition
preheat
verb
pre·heat
(ˈ)prē-ˈhēt
: to heat beforehand
preheat the oven to 400 degrees
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