Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
2-dimensional is an adjective meaning "lacking the expected range or depth; not designed to give an illusion or depth". It carries one recorded sense.
lacking the expected range or depth; not designed to give an illusion or depth
“a film with two-dimensional characters”
“a flat two-dimensional painting”
Definitions, synonyms and semantic relations for 2-dimensional come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.