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