Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
hexadecimal is an adjective meaning "of or pertaining to a number system having 16 as its base". It carries one recorded sense.
of or pertaining to a number system having 16 as its base
Definitions, synonyms and semantic relations for hexadecimal come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. .