a device consisting of one or more meters, as an ammeter and voltmeter, used to measure two or more electrical quantities in an electric circuit, as voltage, resistance, and current.
multimeter (mŭl-tĭm'ĭ-tər) Pronunciation Key
An electrical measuring device that combines an ammeter, an ohmmeter, a voltmeter, and occasionally other measurement or testing devices into one unit.
[muhl-tim-i-ter] 