diffuser
or dif·fu·sor
a person or thing that diffuses.
(in various machines or mechanical systems, as centrifugal pumps or compressors) a device for utilizing part of the kinetic energy of a fluid passing through a machine by gradually increasing the cross-sectional area of the channel or chamber through which it flows so as to decrease its speed and increase its pressure.
(in a lighting fixture) any of a variety of translucent materials for filtering glare from the light source.
a pierced plate or similar device for distributing compressed air for aeration of sewage.
Origin of diffuser
1Words Nearby diffuser
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use diffuser in a sentence
It offers 4 speed settings for sufficient cooling, along with a built-in diffuser that provides a fine mist and spreads the scent of essential oils.
Beat the mid-summer heat wave with these powerful fans on sale | Quinn Gawronski | July 20, 2021 | Popular-ScienceOnce the liquid reaches the top, it hits a diffuser that causes the fluid to splash down, creating an internal shower.
An internal shock mount, sound diffuser, and other proprietary tech automatically reduce noise, so you’ll sound as good as the Lyra looks.
Best podcast microphone: Find the right gear to be your voice’s best friend | Billy Cadden | June 16, 2021 | Popular-ScienceThe best hair dryer overall for curly hair will be equipped with ionic capabilities, multiple heat settings, diffuser attachment, and a cold shot button to seal in shine after hair has dried.
The best hair dryer: Get a salon-worthy blowout at home | Carsen Joenk | January 22, 2021 | Popular-ScienceMany will also come with a diffuser attachment or concentrator nozzle, but there is definitely room to expand.
The best hair dryer: Get a salon-worthy blowout at home | Carsen Joenk | January 22, 2021 | Popular-Science
It seems probable that he was a diffuser of knowledge rather than an originator, but as a great teacher his fame is secure.
A History of Science, Volume 1(of 5) | Henry Smith WilliamsHere is an example of Spenser's diffuser style, taken from the second book of the Faerie Queene.
Milton | Sir Walter Alexander RaleighThe old idea of a librarian was that of a guardian or keeper of books—not a diffuser of knowledge, but a mere custodian of it.
A Book for All Readers | Ainsworth Rand SpoffordThe most conspicuous addition made by Mr. Boyden was the diffuser.
Fix the charcoal well with a spray diffuser and the usual solution of white shellac in spirits of wine.
The Practice and Science Of Drawing | Harold Speed
British Dictionary definitions for diffuser
diffusor
/ (dɪˈfjuːzə) /
a person or thing that diffuses
a part of a lighting fixture consisting of a translucent or frosted covering or of a rough reflector: used to scatter the light and prevent glare
a cone, wedge, or baffle placed in front of the diaphragm of a loudspeaker to diffuse the sound waves
a duct, esp in a wind tunnel or jet engine, that widens gradually in the direction of flow to reduce the speed and increase the pressure of the air or fluid
photog a light-scattering medium, such as a screen of fine fabric, placed in the path of a source of light to reduce the sharpness of shadows and thus soften the lighting
a perforated plate or similar device for distributing compressed air in the aeration of sewage
a device, attached to a hairdryer, which diffuses the warm air as it comes out
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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