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.
LXXVIII is the Roman numeral for 78. WordNet records it as a noun and adjective meaning "the cardinal number that is the sum of seventy and eight". It carries 2 recorded senses.
LXXVIII=78
Read from the numeral itself, and checked against the entry below — WordNet lists 78 among the synonyms of lxxviii.
Convert any Roman numeralthe cardinal number that is the sum of seventy and eight
being eight more than seventy
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for lxxviii come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.