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mean solar day

noun

Definition of mean solar day

  1. :  the interval between successive transits of a given meridian by the mean sun

From the M-W Editors

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Pretty in 'Pink'
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First Known Use of mean solar day

1816

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When To Use 'Specious' vs. 'Spurious'

These similar words are not interchangeable

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'Quick' once had a very different meaning

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From Fuchsia to Baker-Miller Pink

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