Noun: molecularity mu,le-kyu'ler-u-tee [N. Amer], mu,le-kyu'la-ru-tee [Brit]
- The state or quality of being composed of or relating to molecules
"The molecularity of the reaction affects its rate"
- (chemistry) the number of molecules that must collide simultaneously to bring about a chemical reaction
"The molecularity of this reaction is two"
Derived forms: molecularities
Encyclopedia: Molecularity