diffuser
- n baffle that distributes sound waves evenly
- n optical device that distributes the light of a lamp evenly
- s spread out; not concentrated in one place
- a (of light) transmitted from a broad light source or reflected
- s lacking conciseness
- Workmen built a slanting roof over the stage, faced the back wall with a marcelled pattern of half columns (technical name: convex diffusers), turned the side walls into a .
- But the build up to the 2009 season has been marred by three Formula One teams claiming that the rear diffuser of some cars doesn't conform to new regulations.