galactic coordinate

noun

: a member of a system of celestial coordinates based on the equatorial plane of the Milky Way galaxy

Word History

First Known Use

1872, in the meaning defined above

Time Traveler
The first known use of galactic coordinate was in 1872

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Dictionary Entries Near galactic coordinate

galactic

galactic coordinate

galactic equator

See More Nearby Entries 

Cite this Entry

“Galactic coordinate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/galactic%20coordinate. Accessed 29 Nov. 2023.

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