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

Even if a sniper can find a hideout, their body heat may warm it enough for drones with thermal imagery to spot.

From The Wall Street Journal • May 14, 2026

To test the system, researchers used computer simulations that modeled breathing, body heat and airflow during a 30-minute consultation scenario.

From Science Daily • Nov. 21, 2025

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 ground is cold, but I am warmed by Chou’s body heat.

From "First They Killed My Father: A Daughter of Cambodia Remembers" by Loung Ung

Related Words

• climate
• cold
• condition
• heat
• warmth