Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
optical device | Yes | No | No | No |
diffraction grating | Yes | No | No | No |
optical device (noun) | diffraction grating (noun) |
---|---|
a device for producing or controlling light | 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 |