alternating current
noun/ˌɔːltəneɪtɪŋ ˈkʌrənt/
/ˌɔːltərneɪtɪŋ ˈkɜːrənt/
[uncountable, countable] (abbreviation AC)
- an electric current that changes its direction at regular intervals many times a second compare direct current
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alternating current