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Word: alternating current (lookup usage) (lookup stats)


Meaning:

Noun:

  • an electric current in which the direction of flow of the electrons reverses periodically having an average of zero, with positive and negative values (with a frequency of 50 Hz in Europe, 60 Hz in the US, 400 Hz for airport lighting, and some others); especially such a current produced by a rotating generator or alternator.

Source: Wiktionary | Src Info »