单词 | diffuser |
释义 | dif·fus·er ![]() n. 1. One that diffuses, as: a. A light fixture, such as a frosted globe, that spreads light evenly. b. A medium that scatters light, used in photography to soften shadows. c. A device, such as a cone or baffle, placed in front of a loudspeaker diaphragm to diffuse the sound waves. 2. A flow passage in a wind tunnel that decelerates a stream of gas or liquid from a high to a low velocity. |
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