Definition of "diffuser" in English

adjective

noun

Any person or thing that diffuses.
A device designed to diffuse a scent efficiently.
(optics) Any device that or spreads out or scatters light, making the light appear softer.
(automotive) A shaped section of a car's underbody which improves the car's aerodynamic properties.
(thermodynamics) A mechanical device that is designed to control the characteristics of a fluid at the entrance to a thermodynamic open system.
(sewage treatment) An aerating device consisting of a membrane with fine pores, through which air is blown to generate small bubbles.
(cooking) 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.