time signal

noun

a signal sent electrically or by radio to indicate a precise moment of time as a means of checking or regulating timepieces.

time signal

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First recorded in 1875–80

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Examples have not been reviewed.

There is no constant rhythm or background beat; the time signal is conjured as needed.

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When it’s dark, we produce melatonin, which acts as a time signal to the body, telling it we should be sleepy.

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Depending on where you are in the United States, those frequencies will bring you to WWV and WWVH, two extremely accurate time signal stations.

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He did not own a working clock; generally he depended on the TV for time signals, but today was Interspace Horizons Day, evidently.

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They do this using time signals from GPS satellites’ ultra-precise atomic clocks.

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