- AC
- [[t]e͟ɪ si͟ː[/t]]
N-UNCOUNT: oft N nAC is used to refer to an electric current that continually changes direction as it flows. AC is an abbreviation for `alternating currente͟ɪ.
In Europe, AC is usually generated at 50 Hz.
...a portable AC generator.
English dictionary. 2008.