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| dif·fus·er [ də fyzər ] (plural dif·fus·ers) |
noun |
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| Definition: |
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1. person or thing that diffuses: somebody or something that diffuses
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2. device that diffuses lamp light: a piece of translucent or reflective material fixed to a light source such as a lamp in order to soften or spread the light over a wide area
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3. photog movies device that softens photographer's light: a cloth screen, piece of frosted glass, or other material that is used to soften the brightness of the lighting in photography or cinematography
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4. acoustics cone to disperse sound waves: a device, e.g. a cone or wedge, fixed inside a loudspeaker to diffuse sound waves
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