Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Unwanted currents or voltages in an electronic component resulting from the agitation of electrons by heat. Also called Johnson noise.

Etymologies

Sorry, no etymologies found.

Examples

  • Normally, tracking the fleeing boat would be a simple matter of using radar, but with the Kiowa's jamming systems transmitting an umbrella of thermal noise for several miles, his radar was worthless.

    Deception Point

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