noun
a device that records the consumption of electricity, gas, or water in real time and communicates this information to the utility company for monitoring and billing purposes
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The smart meter accurately measures and records electricity usage in real-time.
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I heard that the new smart meter can help us save money on our electric bill.
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My mom got a fancy new smart meter installed in our house.
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The smart meter acts like a digital watchdog, monitoring our energy consumption.