rheotomeEtymologyFrom rheo- (“flow, current”) + -tome (“cutter”), literally “flow cutter”.rheotome means any instrument that interrupts an electric current. Lexicurio rates it Sui generis — a strength score of 87 out of 100.nounAny instrument that interrupts an electric current.“By means of the rheotome, the primary current is broken and closed rapidly, so that the induced current seems almost like a continuous one.”