Medical Dictionary
3 ENTRIES FOUND:

grating

noun grat·ing \ˈgrāt-iŋ\

Definition of GRATING

:  a system of close equidistant and parallel lines or bars ruled on a polished surface to produce spectra by diffraction—called also diffraction grating
March 28, 2015
persiflage Hear it
Frivolous bantering talk
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