Ac
noun
2.
an electric current that reverses direction sinusoidally
- “In the US most household current is AC at 60 cycles per second”
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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.