Dictionary
white noise
noun
: a constant noise (such as that the noise from a television or radio that is turned on but is not receiving a clear signal) that is a mixture of many different sound waves
Full Definition of WHITE NOISE
1
a : a heterogeneous mixture of sound waves extending over a wide frequency range — compare pink noise b : a constant background noise; especially : one that drowns out other sounds
2
: meaningless or distracting commotion, hubbub, or chatter <the white noise of policy and politics in America — Joseph Nocera>
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First Known Use of WHITE NOISE
1943
Rhymes with WHITE NOISE
Medical Dictionary
white noise
noun
Medical Definition of WHITE NOISE
: a heterogeneous mixture of sound waves extending over a wide frequency range that has been used to mask out unwanted noise interfering with sleep—called also white sound
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