Definition of alternating current
:an electric current that reverses its direction at regularly recurring intervals
—abbreviation AC
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alternating current
noun
From the M-W Editors
First Known Use of alternating current
1833
ALTERNATING CURRENT Defined for English Language Learners
alternating current
noun
Definition of alternating current for English Language Learners
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: an electric current that changes its direction very frequently at regular intervals
ALTERNATING CURRENT Defined for Kids
alternating current
noun
Definition of alternating current for Students
:an electric current that reverses its direction of flow regularly many times per second
Learn More about alternating current
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Spanish Central: Translation of alternating current Nglish: Translation of alternating current for Spanish speakers Britannica.com: Encyclopedia article about alternating current
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