
1) Chemical kinetic
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https://www.crosswordclues.com/clue/molecularity

Molecularity in chemistry is the number of colliding molecular entities that are involved in a single reaction step. While the order and stoichiometric coefficients of a reaction are derived experimentally, the molecularity is a theoretical concept and can only be applied to elementary reactions. In elementary reactions, reaction order, stoichiome...
Found on
http://en.wikipedia.org/wiki/Molecularity

• (n.) The state of consisting of molecules; the state or quality of being molecular.
Found on
http://thinkexist.com/dictionary/meaning/molecularity/

The number of reactant molecular entities that are involved in the 'microscopic chemical event' constituting an elementary reaction. (For reactions in solution this number is always taken to exclude molecular entities that form part of the medium and which are involved solely by virtue of their solvation of solutes.) A reaction with a molecularity ...
Found on
http://www.chem.qmul.ac.uk/iupac/gtpoc/M.html
Mo·lec`u·lar'i·ty noun (Physics & Chem.) The state of consisting of molecules; the state or quality of being molecular.
Found on
http://www.encyclo.co.uk/webster/M/89

Type: Term Pronunciation: mō-lek′yū-lār′i-tē Definitions: 1. The number of reactants in an elementary reaction. For example, a reaction involving one reactant is unimolecular; reactions involving two compounds are bimolecular. Molecularity and order are not synonymous.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=55726

the number of molecules or atoms that participate in an elementary process.
Found on
https://www.infoplease.com/dictionary/molecularity
No exact match found.