galactocentricadj.

Brit.

/ɡəˌlaktə(ʊ)ˈsɛntrɪk/, U.S.

/ɡəˌlæktoʊˈsɛntrɪk/,

/ɡəˌlæktəˈsɛntrɪk/

Origin: Formed within English, by compounding. Etymons: galactic adj., -o- connective, -centric comb. form.

Etymology: < galact- (in galactic adj.) + -o- connective + -centric comb. form. Compare galacto- comb. form.

Astronomy.

Having the galaxy as centre; referred to or measured from the centre of the galaxy.

ΚΠ

1884 Copernicus 3 112 They all give the same sign for the change of galactocentric longitude..of the star.

1943 J. H. Jeans in Science 29 Oct. 375/1 After the geocentric and the heliocentric universes had been banished from astronomy, the apparent recession of the nebulae seemed to suggest a galacto-centric universe, with our own galaxy as the center from which all others were moving radially away.

1981 E. R. Harrison Cosmology iv. 85/2 He [sc. William Herschel] placed the Sun at the centre of the Galaxy and thus initiated the galactocentric theory.

2003 S. Ninković & M. Ćirković in G. Hensler et al. Evol. Galaxies 490 The three-dimensional motions of globular clusters become important, i.e. the determination of their galactocentric orbits.

This is a new entry (OED Third Edition, November 2010; most recently modified version published online March 2022).

单词	galactocentric
释义	galactocentricadj. Brit. /ɡəˌlaktə(ʊ)ˈsɛntrɪk/, U.S. /ɡəˌlæktoʊˈsɛntrɪk/, /ɡəˌlæktəˈsɛntrɪk/ Origin: Formed within English, by compounding. Etymons: galactic adj., -o- connective, -centric comb. form. Etymology: < galact- (in galactic adj.) + -o- connective + -centric comb. form. Compare galacto- comb. form. Astronomy. Having the galaxy as centre; referred to or measured from the centre of the galaxy. ΚΠ 1884 Copernicus 3 112 They all give the same sign for the change of galactocentric longitude..of the star. 1943 J. H. Jeans in Science 29 Oct. 375/1 After the geocentric and the heliocentric universes had been banished from astronomy, the apparent recession of the nebulae seemed to suggest a galacto-centric universe, with our own galaxy as the center from which all others were moving radially away. 1981 E. R. Harrison Cosmology iv. 85/2 He [sc. William Herschel] placed the Sun at the centre of the Galaxy and thus initiated the galactocentric theory. 2003 S. Ninković & M. Ćirković in G. Hensler et al. Evol. Galaxies 490 The three-dimensional motions of globular clusters become important, i.e. the determination of their galactocentric orbits. This is a new entry (OED Third Edition, November 2010; most recently modified version published online March 2022). < adj.1884
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