From Longman Dictionary of Contemporary EnglishRelated topics: Currenciesroublerou‧ble British English, ruble American English /ˈruːbəl/ noun [countable]PECthe standardunit of money in Russia and BelarusExamples from the Corpusrouble• She will take a fiver, a tenner, a 25 roublenote if pushed.• Currency market is established with a view to making roubleconvertible.• Taking a one rouble note from my wallet, I tapped on his window.• But that estimate has risen sharply because most rely on importingcomponents, and the rouble has since halved in value.• Singleexchange rate for the rouble.• The central bank said it would stop supporting the rouble and promised that cheapcredits to moribundindustries will be phased out.• In August the bank chairman, Vadim Hetman, demanded a tacticalretreat from the coupon and a return to the rouble.• The rouble fell in trading on Sept. 22 from US1ドル.00 roubles to US1ドル.00 roubles.From Longman Business Dictionaryroublerou‧ble /ˈruːbəl/ (also ruble) noun [countable]FINANCEthe standard unit of money in Russia