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
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Grid-forming converters for HVDC, which convert high-voltage direct current to alternating current and vice versa, are also commercially available, from companies including Hitachi, Siemens, and GE Vernova. Benjamin Kroposki, IEEE Spectrum, 13 Apr. 2024 This gear converted grid power to direct current and then converted it back to alternating current—conversions that consumed a full 6 percent of the plant’s electricity. IEEE Spectrum, 3 Sep. 2024 The shingle-style component—made of both glass solar and steel tiles—absorbs sunlight and converts direct current energy into alternating current energy that can power the home. Demetrius Simms, Robb Report, 29 Oct. 2024 The inverter is bidirectional, so that alternating current produced by the e-axle under regenerative braking is turned into direct current to charge the battery. Jason Barlow, WIRED, 17 Oct. 2024 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

Dictionary Entries Near direct current

Cite this Entry

“Direct current.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/direct%20current. Accessed 16 Dec. 2024.

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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