voltage — English Dictionary

Noun

1. The difference in electrostatic potential between two points in space, especially between live and neutral conductors or the earth.

   Usage

   • Countable
   • Uncountable

   Examples

   The voltage between the wires is too low to produce a spark.

   Be careful when opening high-voltage equipment.

   More examples (1)

   The system voltage is 630 volts d.c. and the supply to the trains is by top-contact third rail with running rail return.

Noun

1. the rate at which energy is drawn from a source that produces a flow of electricity in a circuit; expressed in volts

   Synonyms

   electromotive forceemf

   Broader terms

   electrical phenomenon

2. the difference in electrical charge between two points in a circuit expressed in volts

   Synonyms

   electric potentialpotentialpotential differencepotential drop

   Broader terms

   electrical phenomenon