[guh-lak-tik] /gəˈlæk tɪk/
immense; huge; vast:
a problem of galactic proportions.
Physiology. pertaining to or stimulating the secretion of milk.
(astronomy) of or relating to a galaxy, esp the Galaxy: the galactic plane
(med) of or relating to milk
1839, “of the Milky Way,” from Late Latin galacticus, from galaxias (see galaxy). In modern scientific sense “pertaining to (our) galaxy,” from 1849.
galactic ga·lac·tic (gə-lāk’tĭk)
adverb pertaining to galaxies Examples Does “natural selection” apply extra-galactically? immensely; to a vast degree Examples It was a galactically stupid mistake. Word Origin 1903
noun, Astronomy. 1. . noun, Astronomy. 1. a comparatively young, irregularly shaped group of stars, often numbering up to several hundred, and held together by mutual gravitation; usually found along the central plane of the Milky Way and other galaxies. noun a loose grouping of stars Usage Note astronomy galactic cluster (gə-lāk’tĭk) See open cluster. […]
- Galactic coordinate system
galactic coordinate system The coordinate system in which a celestial object’s position on the celestial sphere is described in relation to the structure of the Milky Way galaxy. ◇ An object’s galactic longitude is measured along the galactic equator, a great circle on the celestial sphere that follows the band of the Milky Way. The […]
noun, Astronomy. 1. the great circle on the celestial sphere that is equidistant from the galactic poles, being inclined approximately 62° to the celestial equator and lying about one degree north of the center line of the Milky Way. noun 1. the great circle on the celestial sphere containing the galactic plane