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