mass-action principle mass unit • mass-energy equation · · · Info · Definitions · Synonyms · Characters · · mass-action principle · · Text Common · · Latin · · Scripts 21 · · Length 6 · · Syllables Definitions · · · (noun) (neurology) the principle that the cortex of the brain operates as a coordinated system with large masses of neural tissue involved in all complex functioning. Synonyms: mass-action principle, mass action. · · Noun Definition 1 Synonyms · · · mass action · · 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 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 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074