molecularity

noun

mo·​lec·​u·​lar·​i·​ty

məˌlekyəˈlarətē also -ˈler-

plural -es

: the quality, state, or degree of being molecular

especially : the number of molecules or atoms involved in a chemical reaction

there is no necessary correlation between the molecularity and the order

—Farrington Daniels & R. A. Alberty

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