voltmeter(redirected from voltmeters)
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an instrument for measuring electromotive force in volts.
An apparatus for measuring the electromotive force or difference of potential.
an instrument such as a galvanometer that measures in volts the differences in potential between different points of an electric circuit.
An instrument that measures differences in electrical potential.
an instrument for measuring electromotive force in volts, e.g. the one on the x-ray machine that registers the voltage being supplied to the machine.