WORD MEANING
Alternating current meaning
awl-TUR-nay-ting KUR-uhnt · noun
An electric current that reverses direction periodically, typically used in power supply systems.
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A type of current in which the flow of electric charge changes direction at regular intervals.
Electricity delivered in a waveform that oscillates between positive and negative values.
Commonly abbreviated as AC, it contrasts with direct current (DC).
Examples
The electrician explained how alternating current powers most household appliances.
Alternating current changes direction periodically, unlike direct current which flows in one direction.