say it: eks
X is the Roman numeral for 10. WordNet records it as a noun and adjective meaning "the cardinal number that is the sum of nine and one; the base of the decimal system". It is pronounced /ˈɛks/ — eks. It carries 4 recorded senses.
X=10
Read from the numeral itself, and checked against the entry below — WordNet lists 10 among the synonyms of x.
Convert any Roman numeralstreet names for methylenedioxymethamphetamine
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 x 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.