transcription, транскрипция: [ di-ˈfyü-zər ]
noun
Date: circa 1679
1. : one that diffuses: as
a. : a device (as a reflector) for distributing the light of a lamp evenly
b. : a screen (as of cloth or frosted glass) for softening lighting (as in photography)
c. : a device (as slats at different angles) for deflecting air from an outlet in various directions
2. : a device for reducing the velocity and increasing the static pressure of a fluid passing through a system