| 单词 | diffuser |
| 释义 | Word Frequency diffuser or diffusor (dɪˈfjuːzə) noun 1. a person or thing that diffuses 2. a part of a lighting fixture consisting of a translucent or frosted covering or of a rough reflector: used to scatter the light and prevent glare 3. a cone, wedge, or baffle placed in front of the diaphragm of a loudspeaker to diffuse the sound waves 4. a duct, esp in a wind tunnel or jet engine, that widens gradually in the direction of flow to reduce the speed and increase the pressure of the air or fluid 5. photography a light-scattering medium, such as a screen of fine fabric, placed in the path of a source of light to reduce the sharpness of shadows and thus soften the lighting 6. a perforated plate or similar device for distributing compressed air in the aeration of sewage 7. a device, attached to a hairdryer, which diffuses the warm air as it comes out |
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