"a.c." meaning in English

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          "text": "Thus the frequency of the given a.c. supply will be equal to the frequency of the vibrating string.",
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        "Initialism of alternating current."
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        "(electricity) Initialism of alternating current."
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          "extra": "before meals",
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        "(medicine) Initialism of ante cibum (“before meals”)."
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          "text": "Thus the frequency of the given a.c. supply will be equal to the frequency of the vibrating string.",
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        "(electricity) Initialism of alternating current."
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  "word": "a.c."
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