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 chair used 1,300 volts of alternating current, developed by Nikola Tesla; Thomas Edison promoted the execution to associate AC with death and thus boost his own direct current system. Lorenzino Estrada, AZCentral.com, 7 Aug. 2025 This refers to the grooming with an inverter to power to grid-quality alternating current from its original direct current. Llewellyn King, Forbes.com, 24 May 2025 But solar panels produce direct current, with electronic systems matching it to the alternating current of the grid. John Timmer, ArsTechnica, 28 Apr. 2025 As their name implies, direct current fast charging ports use direct current, rather than the alternating current from standard power outlets, to charge electric vehicle batteries to 80% within 20 minutes to an hour, according to the federal transportation department. Camila Pedrosa, Sacbee.com, 13 Apr. 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

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Cite this Entry

“Direct current.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/direct%20current. Accessed 19 Aug. 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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