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