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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
What’s odd about the Ariya’s charge port is that despite being a standard that works at many CCS-capable fast charging stations, there is some negative hollow space between the two direct current pins at the bottom that isn’t present on most other EVs.
—Umar Shakir, The Verge, 4 Dec. 2024
The technical lynchpin of the plan falls on the successful construction of a high voltage direct current (HVDC) submarine cable in the Black Sea.
—IEEE Spectrum, 6 Nov. 2024
Transcranial direct current stimulation is a noninvasive, painless brain stimulation technique that uses low-intensity electrical currents to stimulate specific parts of the brain.
—Kristen Rogers, CNN, 17 Dec. 2024
Adding a powered line to an antenna is unusual, says RF and microwave design engineer Michael Sherburne, because the direct current can interfere with transmissions.
—IEEE Spectrum, 14 Dec. 2024
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Word History
First Known Use
1849, in the meaning defined above
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 14 Jan. 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
Nglish: Translation of direct current for Spanish Speakers
Britannica.com: Encyclopedia article about direct current
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