diffuser
noun
dif·fus·er
di-ˈfyü-zər 
plural diffusers
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
d
: a device that produces a fine mist of water and often essential oils
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
Its candles and reed diffusers are made in California and are free of sulfates, parabens, pesticides and phthalates.
—
Samantha Gowen, Oc Register, 2 June 2025
Anker has therefore equipped the Nebula X1 with a double-pass speckle diffuser wheel.
—Benny Har-Even, Forbes.com, 30 May 2025
That’s because more carbon fiber body panels—including the roof, mirror caps, and rear diffuser—were utilized to keep weight down.
—Bryan Hood, Robb Report, 28 May 2025
In This Story Who can benefit from using a diffuser?
—Georgia Day, Vogue, 14 May 2025
See All Example Sentences for diffuser
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Samantha Gowen, Oc Register, 2 June 2025
Anker has therefore equipped the Nebula X1 with a double-pass speckle diffuser wheel.
—Benny Har-Even, Forbes.com, 30 May 2025
That’s because more carbon fiber body panels—including the roof, mirror caps, and rear diffuser—were utilized to keep weight down.
—Bryan Hood, Robb Report, 28 May 2025
In This Story Who can benefit from using a diffuser?
—Georgia Day, Vogue, 14 May 2025
See All Example Sentences for diffuser
Cite this Entry
“Diffuser.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diffuser. Accessed 16 Jun. 2025.
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