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.
One of Tesla's most significant contributions was the development of the alternating current (AC) electrical system, which is far more efficient than direct current (DC) for transmitting electricity over long distances. Vibhas Ratanjee, Forbes, 10 Jan. 2025 Cognitive behavioral therapy, cognitive remediation, mindfulness, psychoeducation and transcranial direct current stimulation were also more effective than a placebo at reducing patients’ symptoms, but this outcome was reported by clinicians only. Kristen Rogers, CNN, 17 Dec. 2024 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 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 22 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

Last Updated: - Updated example sentences
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