voltmeter
nounUK /ˈvəʊltˌmiːtə/
US /ˈvoʊltˌmiːtər/
A tool that tells you how strong the push of electricity is.
The scientist used a voltmeter to check the battery.
RELATED WORDS
OTHER MEANINGS
2. A digital instrument that shows voltage as numbers on a screen.
The digital voltmeter displayed 12.6 volts.
3. An analog device with a moving needle that points to the voltage level.
He watched the needle on the analog voltmeter swing to the right.
4. A measuring tool used by electricians to test outlets and wiring safely.
The electrician checked the wall socket with a voltmeter before starting work.