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