manganin
/ˈmæŋɡənɪn/
noun
- An alloy of copper, manganese, and nickel that has a very stable electrical resistance and is used in electrical resistors and precision instruments.
- Manganin is often chosen for electrical components because its resistance changes very little with temperature.
- The technician used manganin wire to build a precise resistor for the laboratory equipment.
- The old voltmeter contained a coil made of manganin to ensure accurate readings.