1 white noise | Definition of white noise

white noise

noun

Definition of white noise

1a : 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

Examples of white noise in a Sentence

Recent Examples on the Web

Stock photos are supposed to blend into the background like visual white noise. Luke Winkie, Vox, "Vox Sentences: Turning off the red lights," 5 July 2019 Eggs in a control group underwent similar separation, but rather than hearing distress calls, they were exposed to static white noise. Meilan Solly, Smithsonian, "Unhatched Bird Embryos Communicate With Siblings by Vibrating Their Shells," 23 July 2019 Consider white noise, relaxing music, blackout shades, or even a weighted blanket to help ease your child into sleep. Katie Hurley, Washington Post, "Kids’ anxiety can spike during the summer. Here’s why, and what parents can do to help.," 20 June 2019 Think: taking a warm shower, brushing your teeth, and switching on a white noise machine. Caroline Picard, Good Housekeeping, "How to Go to Sleep Fast, According to Sleep Specialists," 10 June 2019 The drive robots continue to shuffle around for a few minutes, with their incessant electric white noise, until suddenly the place falls almost silent. Matt Simon, WIRED, "Inside the Amazon Warehouse Where Humans and Machines Become One," 5 June 2019 Ahead, find our recommendations for white noise machines, soothing sound-makers, and even one baby-friendly device that will have your whole household snoring. Allure, "The 8 Best Sound Machines For a Better Night’s Sleep," 31 May 2019 The corridors of the building buzz with the ceaseless clicking of keyboards, a kind of white noise, accompanied by the electronic beeps that signal a task has been completed or information is now awaiting retrieval. Barry Lopez, Harper's magazine, "Polar Light," 10 Jan. 2019 Among the amenities are a 24-hour market in the lobby selling white noise machines and snacks; self-service check-in kiosks; digital interfaces in rooms for making requests; and use of the meditation app Headspace. Vanessa Lawrence, ELLE Decor, "Atelier Ace's New New York City Hotel Wants to Help You Clear Your Head," 14 May 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'white noise.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of white noise

1943, in the meaning defined at sense 1a

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More Definitions for white noise

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

More from Merriam-Webster on white noise

Rhyming Dictionary: Words that rhyme with white noise

Britannica.com: Encyclopedia article about white noise