hour angle

noun

: the angle between the celestial meridian of an observer and the hour circle of a celestial object measured westward from the meridian

Word History

First Known Use

circa 1837, in the meaning defined above

Time Traveler
The first known use of hour angle was circa 1837

Dictionary Entries Near hour angle

hourage

hour angle

hour circle

See More Nearby Entries 

Cite this Entry

“Hour angle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hour%20angle. Accessed 23 Nov. 2024.

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Britannica.com: Encyclopedia article about hour angle

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