売うりオペうりオペMeanings1nounselling operation; sell operationabbreviationAbbreviation of 売りオペレーション. A financial term for a central bank's open market operation to sell securities, absorbing liquidity.日にち銀ぎんは本ほん日じつ、売うりオペを実じっ施しした。The Bank of Japan conducted a selling operation today.