論ろん理り回かい路ろろんりかいろMeanings1nounlogic circuit; logic devicecomputingTechnical term in computing and electronics for a circuit that performs logical operations.このCPUは数すう百ひゃく万まんの論ろん理り回かい路ろで構こう成せいされている。This CPU is made up of millions of logic circuits.