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.


Sorry, no etymologies found.


  • 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


Log in or sign up to get involved in the conversation. It's quick and easy.