body heat

noun

: heat produced in the body of a living animal by metabolic and physical activities

called also animal heat

Examples of body heat in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Researchers at Seoul National University College of Engineering now report a way to generate power directly from body heat using a thin, flexible device that works in a completely flat form. Aamir Khollam, Interesting Engineering, 18 Mar. 2026 The quilt features ultra-cool fabric on both sides that helps keep night sweats at bay by absorbing body heat, and boxed quilting to prevent clumping. Mariana Best, Better Homes & Gardens, 12 Mar. 2026 As the class progresses and people generate body heat, the cold-blooded friends take advantage of it, snuggling closer. Deena Prichep, NPR, 11 Mar. 2026 Merino is also fantastic at temperature regulation because the fibers form pockets of air that effectively trap body heat in cold conditions, while simultaneously promoting breathability in the heat. Harry Spampinato, Travel + Leisure, 10 Mar. 2026 See All Example Sentences for body heat

Word History

First Known Use

1861, in the meaning defined above

Time Traveler
The first known use of body heat was in 1861

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Cite this Entry

“Body heat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/body%20heat. Accessed 22 Mar. 2026.

Medical Definition

body heat

noun
: heat produced in the body of a living animal by metabolic and physical activity

called also animal heat

Last Updated: - Updated example sentences
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