body heat

American  

[bod-ee heet] / ˈbɒd i ˌhit /

noun

1. Physiology. heat generated in the body of a living animal through processes such as metabolism and muscle activity.

   When body temperature is low, muscles can contract to produce body heat.

   A good down sleeping bag will provide insulation to keep your body heat from escaping if you’re winter camping.

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Etymology

Origin of body heat

First recorded in 1860–65

Example Sentences

You lose 90% of your body heat through your head.

From The Wall Street Journal • Feb. 20, 2026

Others were detected by their movements and body heat.

From BBC • Mar. 29, 2025

Unsure what to say, Hope leaned his chest over the cot, passing his body heat to her.

From Salon • Nov. 25, 2024

The temperature is set at a chilly 68 to 70 degrees, because body heat rises with such strenuous exertion.

From Los Angeles Times • Nov. 12, 2024

It was cold, but his body heat would warm it.

From "Anger Is a Gift" by Mark Oshiro

Related Words

• climate
• cold
• condition
• heat
• warmth