intragalactic

[ in-truh-guh-lak-tik ]

adjective

, Astronomy.

1. existing or occurring within a single galaxy.

Word History and Origins

Origin of intragalactic¹

First recorded in 1960–65; intra- + galactic

Example Sentences

Dr. Dacke found that the beetles seem to keep themselves rolling straight by confirming that the intragalactic scene they were heading toward still matched the earlier reference image.

From New York Times

Unraveling the finer details of dark matter’s intragalactic prevalence could lift the curtain on how exactly the Milky Way itself first came to be, which could in turn test researchers’ best models of galaxy formation and evolution.

From Scientific American

Dai says the study opens up the new field of studying starless planets beyond our galaxy, and could help us compare free extragalactic exoplanets with their intragalactic counterparts.

From National Geographic