the mains

plural noun

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.

Examples of the mains in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The drogue parachutes deploy at an altitude of about 22,000 feet (6,705 m), while the mains deploy at about 6,000 feet (1,828 m). Tariq Malik, Space.com, 10 Apr. 2026 This will mean finding a machine that is small enough to fit in your bag, and potentially one with a rechargeable battery rather than one which plugs into the mains. Rachael Hogg, Better Homes & Gardens, 28 Oct. 2023 Starers include hummus platter, Nashville hot tots and Bavarian soft pretzels while brewery beef melt, Al’s sausage sliders and Thai power salad are among the mains. Marc Bona, cleveland, 7 May 2022

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Cite this Entry

“The mains.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/the%20mains. Accessed 23 Apr. 2026.

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