say it: turk-MEN-i-stan
turkmenistan is a noun meaning "a republic in Asia to the east of the Caspian Sea and to the south of Kazakhstan and to the north of Iran; an Asian soviet from 1925 to 1991". It carries one recorded sense.
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 turkmenistan 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.