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.
synonym: diffraction grating.
Polish: siatka dyfrakcyjna
Unpleasantly harsh or grating in sound.
Moby thesaurus: abrasion, absonant, ajar, andiron, annoying, antagonistic, antipathetic, arabesque, at cross-purposes, at loggerheads, at odds, at variance, at war, atomization, atonal, attrition, basketry, basketwork, beating, bolter ... show more.
A frame of iron bars to hold a fire.
A harsh rasping sound made by scraping something.
A barrier that has parallel or crossed bars blocking a passage but admitting air.
Polish: krata, kratownica
Furnish with a grate.
Gnaw into; make resentful or angry.
Dutch: irriteren, knagen, steken
Reduce to small shreds or pulverize by rubbing against a rough or sharp perforated surface.
Dutch: op de zenuwen werken
Make a grating or grinding sound by rubbing together:
— Grate one's teeth in anger.
Dutch: irriteren, malen, schuren
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