An alloy of copper, manganese, and nickel, used chiefly in electrical apparatus.
- ‘Several Manganin resistors served as the legal standard for the ohm in the United States from 1901 to 1990.’
- ‘The gauge is in the form of Manganin wire coil protected with a metal cup.’
- ‘However, the paper Stability of Double-walled Manganin Resistors is the more popularly known and describes the standard in its final form, after some major modifications in size and connections.’
1920s: from manganese + -in.