AskDefine | Define diffuser

Dictionary Definition



1 baffle that distributes sound waves evenly [syn: diffusor]
2 optical device that distributes the light of a lamp evenly [syn: diffusor]

User Contributed Dictionary



  1. to diffuse


Extensive Definition

Diffuser can refer to any device that diffuses in some manner such as:
  • Diffuser (automotive), a shaped section of a car's underbody which improves the car's aerodynamic properties
  • Diffuser (breathing set part), a device fitted over an underwater breathing set's blow hole to break up the resulting bubbles
  • Diffuser (optics), a device that diffuses or spreads out or scatters light in some manner
  • Diffusion filter, a diffuser used in photography
  • Diffuser (sewage), an aerating device for sewage and industrial waste water treatment plants; a membrane with fine pores, eg. [ecotube diffuser], through which fine bubbles are generated by the supply of air through blowers
  • Diffuser (thermodynamics), a device that controls the characteristics of a fluid at the entrance to a thermodynamic open system
  • Diffuser (cryptography), a method to protect against ciphertext manipulation attacks
Diffuser can also refer to:
diffuser in German: Diffusor (Begriffsklärung)
diffuser in Japanese: ディフューザー
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