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Medical Term:

diffraction grating

Pronunciation: di-frak'shun grat'ing


A variety of filter composed of lined grooves in a thin layer of aluminum-copper alloy on a glass surface; used in spectrophotometers to disperse light into a spectrum.

See: monochromator

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.