Subscriber login


Forgot your password?

Library card login

Other

alternating current

(abbreviation: AC or ac)
Translate alternating current | into German | into Italian | into Spanish
Definition of alternating current

noun

  • an electric current that reverses its direction many times a second at regular intervals, typically used in power supplies. Compare with direct current.

alternating current in other Oxford dictionaries

Definition of alternating current in the US English dictionary