diffuser

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diffuser¹

  • /dɪˈfjuːsə(ɹ)/

Sounds like defuser

Where it comes from

See the etymology of the corresponding lemma form.

adjective

  1. comparative comparative form of diffuse: more diffuse

diffuser²

  • /dɪˈfjuːzə(ɹ)/

noun diffusers

  1. Any person or thing that diffuses.
  2. A device designed to diffuse a scent efficiently. They are in the under-$20 section, which includes a display of scented candles and diffusers.

    Similar: aroma lamp

  3. Any device that or spreads out or scatters light, making the light appear softer. Along the sofa every three and a half feet, fluorescent tubes glow through translucent plastic diffusers.
  4. A shaped section of a car's underbody which improves the car's aerodynamic properties.
  5. A mechanical device that is designed to control the characteristics of a fluid at the entrance to a thermodynamic open system.
  6. An aerating device consisting of a membrane with fine pores, through which air is blown to generate small bubbles.
  7. A cooking item that can be placed above a stove heating element or burner to separate the cooking utensil from the heat source.
  8. A hairdryer attachment that diffuses the flow of air.

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noun ''optics''

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MLA

"diffuser." Wiktionary, via Micwyn, micwyn.com/word/diffuser. Accessed 6 Nov. 2026.

APA

diffuser. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/diffuser

Chicago

"diffuser." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/diffuser.

BibTeX
@misc{diffuser_2026,
  title = {diffuser},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/diffuser},
  urldate = {2026-11-06}
}