Diffuser vs. Impeller

Diffusernoun

Any person or thing that diffuses.

Impellernoun

Something which or someone who impels, usually a part of a pump.

Diffusernoun

A device designed to diffuse a scent efficiently.

Impellernoun

One who, or that which, impels.

Diffusernoun

(optics) Any device that or spreads out or scatters light, making the light appear softer.

Impellernoun

the blade of a rotor (as in the compressor of a jet engine)

Diffusernoun

(automotive) A shaped section of a car's underbody which improves the car's aerodynamic properties.

Impellernoun

the rotating part of a centrifugal pump, compressor, or other machine designed to move a fluid by rotation.

Diffusernoun

(thermodynamics) A mechanical device that is designed to control the characteristics of a fluid at the entrance to a thermodynamic open system.

Impellernoun

a device turned by the flow of water past a ship's hull, used to measure speed or distance travelled.

Diffusernoun

(sewage treatment) An aerating device consisting of a membrane with fine pores, through which air is blown to generate small bubbles.

Impeller

An impeller or impellor is a rotor used to increase the pressure and flow of a fluid. It is the opposite of a turbine, which extracts energy from, and reduces the pressure of, a flowing fluid.

Diffusernoun

(cooking) A cooking item that can be placed above a stove heating element or burner to separate the cooking utensil from the heat source.

Diffusernoun

A hairdryer attachment that diffuses the flow of air.

Diffusernoun

One who, or that which, diffuses.

Diffusernoun

baffle that distributes sound waves evenly

Diffusernoun

optical device that distributes the light of a lamp evenly