diffraction grating
diffraction grating is a valid 19-letter word worth 29 points in Scrabble and 34 in Words With Friends.
Meaning
What does diffraction grating mean?
noun
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
Anagrams
Anagrams of diffraction grating
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