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grating Definition

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grating
adjective(grat-ing)
unpleasantly harsh or grating in sound
grating
noun(grat-ing)
optical device consisting of a surface with many parallel grooves in it; disperses a beam of light (or other electromagnetic radiation) into its wavelengths to produce its spectrum
Synonyms: diffraction grating,
grating
noun(grat-ing)
a barrier that has parallel or crossed bars blocking a passage but admitting air
Synonyms: grate,
grating
noun(grat-ing)
a frame of iron bars to hold a fire
Synonyms: grate,

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