optical device optical density • optical disc · · · Info · Definitions · Characters · · optical device · · Text Common · · Latin · · Scripts 14 · · Length 5 · · Syllables Definitions · · · (noun) a device for producing or controlling light. Synonyms: optical device. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C o latin small letter o U+006F p latin small letter p U+0070 t latin small letter t U+0074 v latin small letter v U+0076