thermal noise

noun Thermodynamics, Electricity.

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.
Compare shot effect.

Origin of thermal noise

First recorded in 1925–30

Words nearby thermal noise

thermal equilibrium, thermal imaging, thermal neutron, thermal neutron analyzer, thermal neutrons, thermal noise, thermal pollution, thermal printer, thermal radiation, thermal reactor, thermal shock

British Dictionary definitions for thermal noise

thermal noise

noun

electrical noise caused by thermal agitation of conducting electrons