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
To get extra volume, use a diffuser hairdryer like Pattern Beauty's The Blow Dryer With Four Attachments.
—
Ariana Yaptangco, Glamour, 7 Feb. 2025
Tap the mood curator and the cabin transforms via a dedicated sound track, a light show on the screen, front seat massage, and fragrance diffuser that instantly changes the tone in the cabin.
—Scotty Reiss, Parents, 6 Feb. 2025
Her Love-Hate Relationship With Cat: 'Argue on the Regular'
Using a calming hormone diffuser may help create a more-soothing environment for your pet during this transitional period.
—Anders Fogh Rasmussen, Newsweek, 5 Feb. 2025
The tank was illuminated from below by a uniform LED light screen and diffuser to get an even background.
—Jennifer Ouellette, Ars Technica, 21 Jan. 2025
See all Example Sentences for diffuser 
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Ariana Yaptangco, Glamour, 7 Feb. 2025
Tap the mood curator and the cabin transforms via a dedicated sound track, a light show on the screen, front seat massage, and fragrance diffuser that instantly changes the tone in the cabin.
—Scotty Reiss, Parents, 6 Feb. 2025
Her Love-Hate Relationship With Cat: 'Argue on the Regular'
Using a calming hormone diffuser may help create a more-soothing environment for your pet during this transitional period.
—Anders Fogh Rasmussen, Newsweek, 5 Feb. 2025
The tank was illuminated from below by a uniform LED light screen and diffuser to get an even background.
—Jennifer Ouellette, Ars Technica, 21 Jan. 2025
See all Example Sentences for diffuser
Dictionary Entries Near diffuser
Cite this Entry
“Diffuser.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diffuser. Accessed 16 Feb. 2025.
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