Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
self-absorption is a noun meaning "preoccupation with yourself to the exclusion of everything else". It carries one recorded sense.
preoccupation with yourself to the exclusion of everything else
Definitions, synonyms and semantic relations for self-absorption come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.