論ろん理り演えん算ざんろんりえんざんMeanings1nounlogic operation; logical operationcomputingTechnical computing term for operations such as AND, OR, NOT, and XOR.コンピュータは論ろん理り演えん算ざんを使つかって条じょう件けんを判はん断だんする。Computers use logic operations to evaluate conditions.