Dictionary

extragalactic

2 ENTRIES FOUND:

extragalactic

adjective ex·tra·ga·lac·tic \ˌek-strə-gə-ˈlak-tik\

Definition of EXTRAGALACTIC

:  originating or existing outside the Milky Way galaxy; also :  of or relating to extragalactic space <extragalactic astronomy>

Origin of EXTRAGALACTIC

International Scientific Vocabulary
First Known Use: 1851

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