say it: shee
XI is the Roman numeral for 11. WordNet records it as a noun and adjective meaning "the cardinal number that is the sum of ten and one". It is pronounced /ˈʃi/ — shee. It carries 3 recorded senses.
XI=11
Read from the numeral itself, and checked against the entry below — WordNet lists 11 among the synonyms of xi.
Convert any Roman numeralthe cardinal number that is the sum of ten and one
the 14th letter of the Greek alphabet
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 xi come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.