单词 | diffuser |
释义 | diffuser /di fyooh"zeuhr/, n. 1. a person or thing that diffuses. 2. (in various machines or mechanical systems, as centrifugal pumps or compressors) a device for utilizing part of the kinetic energy of a fluid passing through a machine by gradually increasing the cross-sectional area of the channel or chamber through which it flows so as to decrease its speed and increase its pressure. 3. (in a lighting fixture) any of a variety of translucent materials for filtering glare from the light source. 4. a pierced plate or similar device for distributing compressed air for aeration of sewage. Also, diffusor. [1670-80; DIFFUSE + -ER1] |
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