diffusor
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Noun 1. diffusor - baffle that distributes sound waves evenly
baffle, baffle board - a flat plate that controls or directs the flow of fluid or energy
2. diffusor - optical device that distributes the light of a lamp evenly
lamp - a piece of furniture holding one or more electric light bulbs
lighting fixture - a fixture providing artificial light
optical device - a device for producing or controlling light
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