diffuser

名词 diffuser:

1. baffle that distributes sound waves evenly
   同义词：diffusor
2. optical device that distributes the light of a lamp evenly
   同义词：diffusor

形容词 diffuse:

1. spread out; not concentrated in one place
   同义词：diffuse
2. (of light) transmitted from a broad light source or reflected
   同义词：soft, diffuse, diffused
3. lacking conciseness
   同义词：diffuse

dif.fus.er

n.（名词）
One that diffuses, as:
散射体，包括
A light fixture, such as a frosted globe, that spreads light evenly.
均匀散射灯：灯光装置，例如磨砂灯泡，可均匀地散播光线
A medium that scatters light, used in photography to soften shadows.
漫散屏，柔光屏：散射光线的介质，用在摄影中使背景柔和
A device, such as a cone or baffle, placed in front of a loudspeaker diaphragm to diffuse the sound waves.
扬声器纸盒：一种装置，例如锥形体或反射板，放在扬声器膜前面，用来散射声波
A flow passage in a wind tunnel that decelerates a stream of gas or liquid from a high to a low velocity.
扩散道：风洞中的气流变迁，将会调整度的气体或液体流降到低速