thermal noise

American  

noun

Thermodynamics, Electricity.

1. a wide spectrum of electromagnetic noise appearing in electronic circuits and devices as a result of the temperature-dependent random motions of electrons and other charge carriers.

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thermal noise British  

noun

1. electrical noise caused by thermal agitation of conducting electrons

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Etymology

Origin of thermal noise

First recorded in 1925–30

Example Sentences

See Examples For:

thermal noise

"In extreme heat, the thermal noise signature goes up," says Linge.

From BBC ● Jul. 1, 2026

To address this issue, the team used a technique known as squeezing to reduce the natural thermal noise present in the phonon laser.

From Science Daily ● Mar. 31, 2026

The main problem with room temperature is thermal noise, which perturbs delicate quantum dynamics.

From Science Daily ● Feb. 14, 2024

But if Hawking were correct, the particles radiating from a black hole were random, a meaningless thermal noise stripped of the details of whatever has fallen in.

From New York Times ● Oct. 10, 2022

Operators will also point the telescope at starless areas of sky to understand the “dark current” created by thermal noise in the instrument itself.

From Science Magazine ● Jan. 23, 2022