a dual-purpose instrument that can measure both potential difference and electric current, usually in volts and amperes respectively
WordReference Random House Unabridged Dictionary of American English © 2025
volt•am•me•ter
(vōlt′am′mē′tər),USA pronunciation n.
- Electricityan instrument for measuring voltage or amperage.
- volt-am(pere) + -meter 1885–90
Collins Concise English Dictionary © HarperCollins Publishers::