Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
re-introduction is a noun meaning "a proposal of something previously rejected". It carries one recorded sense.
a proposal of something previously rejected
“they avoided a re-introduction of the old terminology”
Definitions, synonyms and semantic relations for re-introduction come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.