voltagechanger
nounUK /ˈvəʊltɪdʒˌtʃeɪndʒə/
US /ˈvoʊltɪdʒˌtʃeɪndʒər/
A voltage changer is a thing that makes electricity stronger or weaker.
We used a voltage changer so the lamp would work with the battery.
RELATED WORDS
OTHER MEANINGS
2. A device that changes the voltage of an electrical supply to a different level.
The voltage changer stepped the 220 volts down to 110 volts.
3. A person or tool that adjusts voltage settings in a system.
The engineer acted as a voltage changer during the test.
4. A component in a toy or gadget that lets it use different batteries.
The toy's voltage changer lets it run on either big or small batteries.