DIFFRACTION GRATING

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

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

Synonyms:

diffraction grating; grating

Classified under:

Nouns denoting man-made objects

Hypernyms ("diffraction grating" is a kind of...):

optical device (a device for producing or controlling light)

Hyponyms (each of the following is a kind of "diffraction grating"):

echelon (a diffraction grating consisting of a pile of plates of equal thickness arranged stepwise with a constant offset)

Credits