Supergalaxy Definition
 so͝opər-gălək-sē 
  supergalaxies
  
    noun
  
 A very large group of galaxies.
 American Heritage 
Other Word Forms of Supergalaxy
Noun
Singular:
 supergalaxyPlural:
 supergalaxiesOrigin of Supergalaxy
-  super- +"Ž galaxy From Wiktionary 
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