molecularity: Meaning and Definition of

mo•lec•u•lar•i•ty

Pronunciation: (mu-lek"yu-lar'i-tē), [key]
— n. Chem.
  1. the number of molecules or atoms that participate in an elementary process.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.