noun
- an instrument for measuring electric potential difference or voltage
Examples
- The electrician used a voltmeter to check the outlet.
- Connect the voltmeter across the battery terminals.
- The voltmeter reading showed 12 volts.
- Students learned to use a digital voltmeter in physics class.
- The technician’s voltmeter indicated a voltage drop in the circuit.
- Make sure the voltmeter is set to the correct range before testing.