diurnal circle

noun

Definition of diurnal circle

: the apparent circle or parallel of declination described by a celestial body in consequence of the earth's rotation

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Cite this Entry

“Diurnal circle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diurnal%20circle. Accessed 27 Sep. 2020.

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