direct current

noun

: an electric current flowing in one direction only and substantially constant in value
abbreviation DC

Examples of direct current in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The California Energy Commission (CEC) recently announced the launch of the Fast Charge California Project, an incentive program that will cover up to 100% of installation costs for direct current (DC) fast chargers at businesses and public sites statewide. Melanie Marshall, San Diego Union-Tribune, 15 Sep. 2025 These transparent solar panels generate direct current electricity that supplies 25 percent of the building’s daily energy needs while minimizing energy loss. Atharva Gosavi, Interesting Engineering, 25 Aug. 2025 Edison’s genius was less in his lab notebooks — his beloved direct current turned out to be a loser in our alternating-current world — than in his grasp of network effects and utility. Liz Hoffman, semafor.com, 21 Aug. 2025 Photovoltaic panels are made from silicon cells that generate direct current electricity when sunlight excites electrons. Dianne Plummer, Forbes.com, 19 Aug. 2025 See All Example Sentences for direct current

Word History

First Known Use

1849, in the meaning defined above

Time Traveler
The first known use of direct current was in 1849

Browse Nearby Words

Cite this Entry

“Direct current.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/direct%20current. Accessed 21 Sep. 2025.

Kids Definition

direct current

noun
: an electric current flowing in one direction only
abbreviation DC

Medical Definition

direct current

noun
: an electric current flowing in one direction only and substantially constant in value
abbreviation DC

More from Merriam-Webster on direct current

Last Updated: - Updated example sentences
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