Definition of molecularity in US English:

molecularity

noun

  • See molecular

    • ‘The reverse process in solution, has a molecularity of unity and is said to be unimolecular.’
    • ‘The molecularity of an elementary reaction is the number of molecules coming together to react in an elementary reaction.’
    • ‘Sometimes the molecularity of a reaction can be used to guess if an elementary reaction is a rate-determining step.’
    • ‘In general the dimension of rate constants strictly follows from the molecularity of the elementary reaction which they describe.’
    • ‘In this article we demonstrate the channel-forming ability of trichotoxin and describe experiments aimed at elucidating its molecularity.’

Pronunciation

molecularity

/məˌlɛkjəˈlɛrədi//məˌlekyəˈlerədē/