Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
compartmented is an adjective meaning "divided up or separated into compartments or isolated units". It carries one recorded sense.
divided up or separated into compartments or isolated units
“a compartmented box”
“the protected and compartmented society of Beacon Hill”
Definitions, synonyms and semantic relations for compartmented come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.