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Synonyms

voltage

American  
[vohl-tij] / ˈvoʊl tɪdʒ /

noun

Electricity.
  • voltages
    plural
  1. electromotive force or potential difference expressed in volts.


voltage British  
/ ˈvəʊltɪdʒ /

noun

  1. an electromotive force or potential difference expressed in volts

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

voltage Scientific  
/ vōltĭj /
  1. A measure of the difference in electric potential between two points in space, a material, or an electric circuit, expressed in volts.


Other Word Forms

Noun Inflected Forms

Etymology

Origin of voltage

First recorded in 1885–90; volt 1 + -age

Explanation

Voltage is a measure of electrical energy. If you've got a high-voltage personality, people may use another electrical metaphor and describe you as "a live wire." Someone calculates voltage by determining the difference in electrical charge between two points in a circuit. When you travel, you'll want to make sure you bring along adapters to plug into the various sorts of electrical outlets you'll encounter around the world. Your chargers and all your electrical gear should have dual voltage capability, so they can work on electrical currents of 100 volts to 240 volts.

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Vocabulary lists containing voltage

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The researchers examined these differences further by adjusting the applied voltage and oxygen concentration.

From Science Daily Aug. 10, 2026

Utility company Consolidated Edison has detected stray voltage at the site weeks after the death, a possible cause for the horse’s sudden flight.

From The Wall Street Journal Aug. 3, 2026

The state code requires that rooftop solar arrays have rapid shutdown systems that quickly reduce the voltage to a level that makes it safe for first responders to access a roof in an emergency.

From Los Angeles Times Jul. 10, 2026

Instead of varying smoothly, the Hall voltage increases in distinct steps and plateaus.

From Science Daily Jun. 19, 2026

Every component of the machine was disassembled, rebuilt, and reassembled, under the impetus to reach a new voltage threshold.

From "Big Science" by Michael Hiltzik

Solid-state transformers convert power to different voltages, and go largely unnoticed, attached to telephone poles everywhere.

From Barron's Jun. 5, 2026

It’s called a solid-state transformer, and it’s designed to convert power to different voltages.

From Barron's Jun. 4, 2026

These filaments tend to behave unpredictably and often require high voltages, which limits their practicality for large-scale computing.

From Science Daily Apr. 23, 2026

Thanks to electroencephalography, researchers can even link slow-wave sleep to a process of synchronous changes in electrical voltages in thousands of neurons, known as up and down states.

From Salon Dec. 17, 2024

Familiar examples include standardized weights and measures, electrical voltages and cables, computer file formats, and paper currency.

From "The Sense of Style" by Steven Pinker

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