dif·​fus·​er | \ di-ˈfyü-zər How to pronounce diffuser (audio) \

Definition of diffuser

1 : one that diffuses: such as
a : a device (such as a reflector) for distributing the light of a lamp evenly
b : a screen (as of cloth or frosted glass) for softening lighting (as in photography)
c : a device (such as slats at different angles) for deflecting air from an outlet in various directions
2 : a device for reducing the velocity and increasing the static pressure of a fluid passing through a system

Examples of diffuser in a Sentence

Recent Examples on the Web Reed diffusers, on the other hand, don't require any flames, plugs, or batteries. Amanda Garrity, Good Housekeeping, "How to Make a Homemade Reed Diffuser That'll Fill Your House With a Scent You Love," 31 Jan. 2020 The difference between air drying versus diffuser-drying speaks for itself. Pia Velasco, Good Housekeeping, "How to Use a Diffuser to Get Perfect Curls and Waves Every Time," 30 Sep. 2019 Vitruvi sells single-origin oils ($12–18) to add to diffusers. Brierley Horton, al, "Health or Hype? Which alternative health trends are worth a try," 14 Jan. 2020 As a bonus, the dryer comes with a variety of attachments, including a diffuser (which is ideal for those with naturally curly hair who want to dry their curls without adding frizz) and two flat nozzles ideal for blow-drying hair straight. NBC News, "Get a professional-grade blow dryer for a steep discount," 19 Aug. 2019 Afterwards dry your hair with a with a diffuser which will give you bouncy curls with lots of definition. Jennifer Ford, Essence, "3 Easy New Year’s Eve Hairstyles For Curly Hair," 27 Dec. 2019 The Instagrammable Diffuser Handmade in Taiwan, the Vitruvi Porcelain Essential Oil Diffuser is a modern, #shelfie-ready ceramic sculpture that doubles as an aromatherapy diffuser. Lauren Valenti, Vogue, "How to Turn Your Desk Into the Ultimate Self-Care Station in 2020," 24 Dec. 2019 By the following year, thousands of people were working at Chrysler's Lynch Road factory building diffusers that were used to create Little Boy. Micah Walker, Detroit Free Press, "Uranium-contaminated site in Detroit was part of Manhattan Project," 6 Dec. 2019 Scent is a great way to jump into the season with a diffuser or candle. Andrea Wurzburger, PEOPLE.com, "The Bachelorette's JoJo Fletcher and Jordan Rodgers Reveal 2 Huge Relationship Rules They Broke," 29 Oct. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'diffuser.' 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 diffuser

1645, in the meaning defined at sense 1

History and Etymology for diffuser

diffuse entry 2 + -er entry 2

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Time Traveler for diffuser

Time Traveler

The first known use of diffuser was in 1645

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Statistics for diffuser

Last Updated

15 Feb 2020

Cite this Entry

“Diffuser.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diffuser. Accessed 24 Feb. 2020.

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