white noise


noun

Also called white sound. a steady, unvarying, unobtrusive sound, as an electronically produced drone or the sound of rain, used to mask or obliterate unwanted sounds.
Physics. random noise with a uniform frequency spectrum over a wide range of frequencies.

Origin of white noise

First recorded in 1965–70

Example sentences from the Web for white noise

British Dictionary definitions for white noise

white noise

noun

  1. sound or electrical noise that has a relatively wide continuous range of frequencies of uniform intensity
  2. noise containing all frequencies rising in level by six decibels every octave