spectrum line spectrum color • spectrum locus · · · Info · Definitions · Characters · · spectrum line · · Text Common · · Latin · · Scripts 13 · · Length 3 · · Syllables Definitions · · · (noun) an isolated component of a spectrum formed by radiation at a uniform frequency. Synonyms: spectrum line. · · Noun Definition 1 Characters · · space U+0020 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075