Galactic-year
noun, Astronomy.
1.
the duration of a complete rotation of the Milky Way, approximately 200 million years.
Read Also:
- Galactin  
[guh-lak-tin] /gəˈlæk tɪn/ noun, Biochemistry. 1. .
 - Galacto-  
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  
galactobolic ga·lac·to·bol·ic (gə-lāk’tə-bŏl’ĭk) adj. Causing the release or ejection of milk from the breast.
 - Galactocele  
galactocele ga·lac·to·cele (gə-lāk’tə-sēl’) n. A retention cyst that results from occlusion of a lactiferous duct. Also called lactocele.
 - Galactoid  
[guh-lak-toid] /gəˈlæk tɔɪd/ adjective 1. resembling milk; milky.
 
