galactic coordinate
nounAstronomy.
Usually galactic coordinates . a member of a system of coordinates that define the position of a celestial body with reference to the Milky Way.
Origin of galactic coordinate
1First recorded in 1930–35
- See also galactic latitude, galactic longitude
Words Nearby galactic coordinate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
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