either of the two opposite points on the celestial sphere that are farthest north and south of the Milky Way.
noun, Astronomy. 1. the duration of a complete rotation of the Milky Way, approximately 200 million years.
[guh-lak-tin] /gəˈlæk tɪn/ noun, Biochemistry. 1. .
1. a combining form meaning “milk,” used in the formation of compound words: galactopoietic. combining form 1. milk or milky: galactometer galacto- or galact- pref. Milk: galactotherapy.
galactobolic ga·lac·to·bol·ic (gə-lāk’tə-bŏl’ĭk) adj. Causing the release or ejection of milk from the breast.