noun
- Plural of constantan; an alloy of copper and nickel used in electrical resistors and thermocouples.
Usage: technical; material science
Examples
- The engineer selected constantans for the thermocouple because of their stable resistance properties.
- Constantans are widely used in precision electrical instruments.
- The laboratory ordered several spools of constantans wire for the experiment.
- Different grades of constantans offer varying levels of thermal stability.