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hour circle

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Definition of hour circle

: a circle on the celestial sphere that passes through both celestial poles

Examples of hour circle in a Sentence

Recent Examples on the Web Instead of storming the stores or spending hours circling some parking garage, everyone would take a long winter’s nap. — Chris Erskine, latimes.com, "Christmas feels bloated and broken. It should only last 12 days. Let me explain...," 1 Dec. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hour circle.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of hour circle

1690, in the meaning defined above

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Time Traveler for hour circle

Time Traveler

The first known use of hour circle was in 1690

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Cite this Entry

“Hour circle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hour%20circle. Accessed 24 Jan. 2021.

More from Merriam-Webster on hour circle

Britannica.com: Encyclopedia article about hour circle

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