Grating
01
a covering with parallel or crossed bars, used to block a passage while allowing air or light to pass
예시들
They installed a grating over the vent for safety.
02
a frame of iron bars designed to hold a fire in a fireplace or furnace
예시들
Sparks flew as the coal burned on the grating.
03
an optical device with many parallel grooves that disperses a beam of light or other electromagnetic radiation into its component wavelengths to produce a spectrum
예시들
The grating allowed measurement of wavelengths with high precision.
