grating

grating

名词 grating:

a barrier that has parallel or crossed bars blocking a passage but admitting air

同义词：grate

a frame of iron bars to hold a fire

同义词：grate

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

同义词：diffraction grating

动词 grate:

furnish with a grate

同义词：grate

gnaw into; make resentful or angry

同义词：eat into, fret, rankle, grate

reduce to small shreds or pulverize by rubbing against a rough or sharp perforated surface

同义词：grate

make a grating or grinding sound by rubbing together

同义词：grate, grind

scratch repeatedly

同义词：scrape, grate

形容词 grating:

unpleasantly harsh or grating in sound

同义词：gravel, gravelly, rasping, raspy, rough, scratchy