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