alternating current
noun
: an electric current that reverses its direction at regularly recurring intervals
—abbreviation AC
Examples of alternating current in a Sentence
Recent Examples on the Web
All Prologue models deliver fairly standard charging speeds, accepting 11.5 kilowatts of alternating current at Level 2 and 155 kilowatts of direct current at Level 3.
—
Peter Douglas, The Mercury News, 29 May 2024
Power plant transformers operate on alternating current, but during solar storms may receive surges of direct current.
—Jeffrey Kluger, TIME, 15 May 2024
To have any hope of reaching a carbon-free electricity grid, tens of thousands of miles of new transmission lines must be added by 2030 to add the existing 640,000 circuit miles of alternating current (AC) transmission lines (240,000 operating at more than 230 kilovolts).
—IEEE Spectrum, 7 Jan. 2023
Here in the United States, a high percentage of public chargers are poky Level 2 units that deliver alternating current at 240 volts.
—Peter Douglas, The Mercury News, 3 Mar. 2024
See all Example Sentences for alternating current 
Peter Douglas, The Mercury News, 29 May 2024
Power plant transformers operate on alternating current, but during solar storms may receive surges of direct current.
—Jeffrey Kluger, TIME, 15 May 2024
To have any hope of reaching a carbon-free electricity grid, tens of thousands of miles of new transmission lines must be added by 2030 to add the existing 640,000 circuit miles of alternating current (AC) transmission lines (240,000 operating at more than 230 kilovolts).
—IEEE Spectrum, 7 Jan. 2023
Here in the United States, a high percentage of public chargers are poky Level 2 units that deliver alternating current at 240 volts.
—Peter Douglas, The Mercury News, 3 Mar. 2024
See all Example Sentences for alternating current
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'alternating current.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near alternating current
Cite this Entry
“Alternating current.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alternating%20current. Accessed 1 Jul. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share