long-chain molecule long-chained • long-clawed · · · Info · Definitions · Synonyms · Characters · · long-chain molecule · · Text Common · · Latin · · Scripts 19 · · Length 6 · · Syllables Definitions · · · (noun) (chemistry) a relatively long chain of atoms in a molecule. Synonyms: long chain, long-chain molecule. · · Noun Definition 1 Synonyms · · · long chain · · Synonym 1 Characters · · space U+0020 - hyphen-minus U+002D a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 g latin small letter g U+0067 h latin small letter h U+0068 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 o latin small letter o U+006F u latin small letter u U+0075