Resistor Unit. The SI unit of resistance is known as Ohm Ω. Kiloohms KΩ, megaohms MΩ, milliohm, and so on are known as the higher multiple and sub-multiple values of Ohm. The voltage required for creating 1 ampere of current to flow through the circuit is known as the resistance.

noun Electricity. a device designed to introduce resistance into an electric circuit. Origin of resistor First recorded in 1900–05; resist + -or 2 WORDS THAT MAY BE CONFUSED WITH resistor resister, resistor Words nearby resistor