Definition of extragalactic in English:

extragalactic

Line breaks: extra|gal¦ac¦tic
Pronunciation: /ˌɛkstrəgəˈlaktɪk
 
/

adjective

Astronomy
  • Situated, occurring, or originating outside the Milky Way galaxy: extragalactic radio sources
    More example sentences
    • Hence the whole foundation of extragalactic astronomy and Big Bang theory is swept away’ .
    • It is definitely an extragalactic background.
    • The number of these sources is consistent with the expected number of extragalactic sources in the background sky.

More definitions of extragalactic

Definition of extragalactic in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day grotesquerie
Pronunciation: grəʊˈtɛskəri
noun
grotesque quality or grotesque things collectively