diffraction grating

(Pronunciation -تلفظ سنیۓ ) US:

Slow

Normal

Noun: diffraction grating

1. diffraction grating [ Synonyms: grating]
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

Specific Words:

echelon

Generic Words:

optical device

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