chemical compound chemical change • chemical decomposition reaction · · · Info · Definitions · Synonyms · Characters · · chemical compound · · Text Common · · Latin · · Scripts 17 · · Length 5 · · Syllables Definitions · · · (noun) (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight. Synonyms: compound, chemical compound. · · Noun Definition 1 Synonyms · · · compound · · Synonym 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 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 p latin small letter p U+0070 u latin small letter u U+0075