galactic coordinate
noun Astronomy.
Usually galactic coordinates. a member of a system of coordinates that define the position of a celestial body with reference to the Milky Way.
Words nearby galactic coordinate
galactacrasia, galactagogue, galactan, galactic, galactic cluster, galactic coordinate, galactic coordinate system, galactic equator, galactic halo, galactic latitude, galactic longitude
See also galactic latitude, galactic longitude
Origin of galactic coordinate
First recorded in 1930–35
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020