law of mass action law of large numbers • law of moses · · · Info · Definitions · Characters · · law of mass action · · Text Common · · Latin · · Scripts 18 · · Length 5 · · Syllables Definitions · · · (noun) (chemistry) the law that states the following principle: the rate of a chemical reaction is directly proportional to the molecular concentrations of the reacting substances. Synonyms: law of mass action. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 f latin small letter f U+0066 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 s latin small letter s U+0073 t latin small letter t U+0074 w latin small letter w U+0077