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extragalactic

[ek-struh-guh-lak-tik] /ˌɛk strə gəˈlæk tɪk/
adjective
1.
outside the Milky Way system.
Origin
1850-1855
1850-55; extra- + galactic
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for extragalactic
  • What they've seen is that higher-energy gamma rays from an extragalactic flare arrive later than lower-energy ones.
  • The nail in the coffin were number counts, showing evolution of extragalactic sources.
British Dictionary definitions for extragalactic

extragalactic

/ˌɛkstrəɡəˈlæktɪk/
adjective
1.
occurring or existing beyond the Galaxy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Value for extragalactic

25
29
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