chemical science chemical reactor • chemical substance · · · Info · Definitions · Synonyms · Characters · · chemical science · · Text Common · · Latin · · Scripts 16 · · Length 4 · · Syllables Definitions · · · (noun) the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions. Synonyms: chemistry, chemical science. · · Noun Definition 1 Synonyms · · · chemistry · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 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 s latin small letter s U+0073