diffuser
Any person or thing that diffuses.
Adjective
- comparative form of diffuse: more diffuse
Origin
See the etymology of the corresponding lemma form.
Noun
- Any person or thing that diffuses.
- A device designed to diffuse a scent efficiently.
- They are in the under-$20 section, which includes a display of scented candles and diffusers. - 2009 February 28, Rita Zekas, “DecoRita visits West Elm”, in Toronto Star:
Synonyms: aroma lamp
- Any device that or spreads out or scatters light, making the light appear softer.
- Along the sofa every three and a half feet, fluorescent tubes glow through translucent plastic diffusers. - 2008 January 24, “In a Town Known for Light, a House With Very Little”, in New York Times:
- A shaped section of a car's underbody which improves the car's aerodynamic properties.
- A mechanical device that is designed to control the characteristics of a fluid at the entrance to a thermodynamic open system.
- An aerating device consisting of a membrane with fine pores, through which air is blown to generate small bubbles.
- A cooking item that can be placed above a stove heating element or burner to separate the cooking utensil from the heat source.
- A hairdryer attachment that diffuses the flow of air.
Origin
Etymology tree English diffuse Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English diffuser From diffuse (verb) + -er.