voltage
voltage — noun
1. a measure of the electrical force that pushes current through a conductor, with
a measure of the electrical force that pushes current through a conductor, with the unit being the volt.
The voltage of the household outlet in Taiwan is 110 volts.
collocation: household outlet + voltage
Zola checked the voltage of the battery with a small tester before using it.
verb collocation: check + voltage
If the voltage is too high, the light bulb may burn out more quickly.
Different electronic devices require different voltages to operate safely.
The electrician measured the voltage between the two wires to check the connection.
- potential difference
more technical term used in physics and engineering; voltage is the everyday word
- electromotive force
often shortened to EMF; refers to voltage produced by a source like a battery; technically distinct but often used interchangeably in basic contexts
文法句型
uncountable noun
countable plural when referring to specific levels: [different / various] + voltages
用法筆記
Voltage is a property of electricity that determines how much current can flow through a circuit. Higher voltage does not always mean higher danger — current (measured in amps) also matters.