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supergalaxy

American  
[soo-per-gal-uhk-see] / ˈsu pərˌgæl ək si /

noun

Astronomy.

plural

supergalaxies

  1. a system of galaxies.

Other Word Forms

Etymology

Origin of supergalaxy

First recorded in 1925–30; super- + galaxy

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.