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intragalactic

American  
[in-truh-guh-lak-tik] / ˌɪn trə gəˈlæk tɪk /

adjective

Astronomy.

  1. existing or occurring within a single galaxy.

Etymology

Origin of intragalactic

First recorded in 1960–65; intra- + galactic

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.