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