pink noise


: a mixture of sound waves with an intensity that diminishes proportionally with frequency to yield approximately equal energy per octave compare white noise

Examples of pink noise in a Sentence

Recent Examples on the Web Brown noise has an even lower frequency than pink noise and is described as sounding like rainfall, Dr. Polos adds Ease of Use Some sound machines have basic analog control buttons and others feature more advanced app connectivity. Kayla Blanton, Health, 19 July 2023 As for the sounds, there are seven to choose from, including white and pink noise, which can be set with a timer or default to automatically shut off. Kelsey Kunik, Parents, 12 Dec. 2023 Brown noise, also called red noise, is usually lower in tone and intensity than white or pink noise. Stacey Colino, Washington Post, 9 Oct. 2023 Choose from rain sounds to a cat purring, crickets chirping, a clothes dryer, pink noise, and everything in between, or add your own. Courtenay Rudzinski, WIRED, 22 Nov. 2023 The categories include rides, crowds, meditation, as well as different types of fans, white noise, pink noise, and brown noise. Rachael Hogg, Better Homes & Gardens, 28 Oct. 2023 Besides helping with tinnitus, research has found, exposure to steady pink noise can reduce the complexity of people’s brain waves and improve their sleep stability and quality. Stacey Colino, Washington Post, 9 Oct. 2023 Under the Sleep tab in the app’s library, there’s everything from white and pink noise, to a vacuum cleaner, dishwasher, and evening crickets. Rachael Hogg, Better Homes & Gardens, 28 Oct. 2023 In addition, pink noise can enhance work efficiency, improving executive function, judgment and speed on mental performance tests, according to research from Taiwan. Stacey Colino, Washington Post, 9 Oct. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'pink noise.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1961, in the meaning defined above

Time Traveler
The first known use of pink noise was in 1961

Dictionary Entries Near pink noise

Cite this Entry

“Pink noise.” Dictionary, Merriam-Webster, Accessed 12 Apr. 2024.

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