ammeter
nounUK /ˈæmɪtə/
US /ˈæmɪtər/
An ammeter is a tool that shows how much electricity is flowing through a wire.
The scientist used an ammeter to check the current in the circuit.
RELATED WORDS
OTHER MEANINGS
2. A measuring instrument connected in series with a circuit to measure electric current in amperes.
Connect the ammeter in series so all the current passes through it.
3. A panel-mounted gauge on machines or vehicles that displays current draw.
The dashboard ammeter showed the battery was charging.
4. A clamp-on ammeter that measures current without breaking the circuit.
The electrician used a clamp ammeter around the cable to read the load.