Syllable division and stress derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
XXXVIII is the Roman numeral for 38. WordNet records it as an adjective meaning "being eight more than thirty". It carries one recorded sense.
XXXVIII=38
Read from the numeral itself, and checked against the entry below — WordNet lists 38 among the synonyms of xxxviii.
Convert any Roman numeralbeing eight more than thirty
Definitions, synonyms and semantic relations for xxxviii come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.