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diffuser

Definitions of diffuser
  1. noun
    baffle that distributes sound waves evenly
    synonyms: diffusor
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    type of:
    baffle, baffle board
    a flat plate that controls or directs the flow of fluid or energy
  2. noun
    optical device that distributes the light of a lamp evenly
    synonyms: diffusor
    see moresee less
    type of:
    optical device
    a device for producing or controlling light
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