Found 2 items, similar to voltmeter.
English → English (WordNet) Definition: voltmeter voltmeter n : meter that measures the potential difference between two points
English → English (gcide) Definition: Voltmeter Voltmeter \Volt"me`ter\, n. [2d volt + -meter.] (elec.) An instrument for measuring in volts the differences of potential between different points of an electrical circuit. [1913 Webster]