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
1Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use diffuser in a sentence
They are the material of great orators, great preachers, impressive diffusers of moral influences.
The Subjection of Women | John Stuart MillWe have been unconsciously pioneers of modern commerce, diffusers of folk-lore and what not.
The Grandchildren of the Ghetto | Israel ZangwillThe diffusers on the outside were at right angles to those inside.
U indicates a gauging tank into which the juice runs from the diffusers.
The warm liquid once in the tank, which is of a reasonable size, will impart its heat to all the diffusers.
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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