Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
bimolecular is an adjective meaning "relating to or affecting two molecules". It carries one recorded sense.
relating to or affecting two molecules
Definitions, synonyms and semantic relations for bimolecular come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.