Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
lx is a noun and adjective meaning "the cardinal number that is the product of ten and six". It carries 3 recorded senses.
the cardinal number that is the product of ten and six
a unit of illumination equal to 1 lumen per square meter; 0.0929 foot candle
being ten more than fifty
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 lx come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.