supergalaxy

[soo-per-gal-uhk-see]

noun

Astronomy.

plural

supergalaxies 

1. a system of galaxies.

Other Word Forms

• supergalactic adjective

Word History and Origins

Origin of supergalaxy¹

First recorded in 1925–30; super- + galaxy

Example Sentences

Now it seemed more reasonable to regard the Milky Way system as a supergalaxy consisting of the Milky Way proper, the globular clusters lying above and below it, and the nearby Small and Large Clouds of Magellan, only 80,000 or 90,000 light-years away�a supergalaxy of normal size in comparison with other super-systems.

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