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