diffuser

or dif·fu·sor

[ dih-fyoo-zer ]

/ dɪˈfyu zər /

noun

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

First recorded in 1670–80; diffuse + -er¹

Words nearby diffuser

diffuse cutaneous leishmaniasis, diffused junction, diffuse idiopathic skeletal hyperostosis, diffuse mesangial proliferation, diffuse-porous, diffuser, diffuse waxy spleen, diffusible, diffusible stimulant, diffusing capacity, diffusion

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for diffuser

Here is an example of Spenser's diffuser style, taken from the second book of the Faerie Queene.
Milton|Sir Walter Alexander Raleigh
Never fear that you can be too prolix: the diffuser you are, the easier I shall forgive myself.
The Disowned, Complete|Edward Bulwer-Lytton
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 Williams
The 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 Spofford

The most conspicuous addition made by Mr. Boyden was the diffuser.
Scientific American Supplement, No. 460, October 25, 1884|Various

British Dictionary definitions for diffuser

diffuser

diffusor

/ (dɪˈfjuːzə) /

noun

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

单词	diffuser
释义	diffuser or dif·fu·sor [ dih-fyoo-zer ] / dɪˈfyu zər / noun 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 First recorded in 1670–80; diffuse + -er¹ Words nearby diffuser diffuse cutaneous leishmaniasis, diffused junction, diffuse idiopathic skeletal hyperostosis, diffuse mesangial proliferation, diffuse-porous, diffuser, diffuse waxy spleen, diffusible, diffusible stimulant, diffusing capacity, diffusion Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for diffuser Here is an example of Spenser's diffuser style, taken from the second book of the Faerie Queene. Milton\|Sir Walter Alexander Raleigh Never fear that you can be too prolix: the diffuser you are, the easier I shall forgive myself. The Disowned, Complete\|Edward Bulwer-Lytton 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 Williams The 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 Spofford The most conspicuous addition made by Mr. Boyden was the diffuser. Scientific American Supplement, No. 460, October 25, 1884\|Various British Dictionary definitions for diffuser diffuser diffusor / (dɪˈfjuːzə) / noun 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
随便看	penillion peninsula peninsular state peninsular war peninsulate peninsula war penis penischisis penis envy penitence penitent penitente penitential penitential psalm penitentiary penitis penki penknife penlight penman penmanship penn penna pennaceous pen name