voltage
n. C / U B2 Upper Intermediate US //ˈvoʊɫtədʒ// UK //vˈəʊltɪdʒ// volt·age
n. the force of an electric current that moves through a wire. You can think of it like the pressure that pushes water through a pipe.
n. the difference in electric potential between two points, expressed in volts. It represents the electrical pressure that drives a current through a conductive loop.
The battery provides a low voltage for the small toy.
Before plugging in your hair dryer abroad, check if the local voltage is compatible with your device.
Electrical engineers must carefully regulate the voltage across the circuit to prevent sensitive components from overheating or failing under excessive pressure.
From volt + -age, ultimately derived from the name of Alessandro Volta, inventor of the modern battery.