the mains

plural noun

Definition of the mains

British
: the system of pipes or wires for electricity, gas, or water My radio runs either off batteries or off the mains. often used as mains before another noun We haven't had any mains water/electricity since the storm.

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Cite this Entry

“The mains.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/the%20mains. Accessed 19 Jun. 2021.

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