supercluster /sooˈ or sūˈpər-klus-tər/ (astronomy)

A large cluster of galaxies

• extemporaneous
• extemporaneously
• extemporaneousness
• extemporarily
• extemporariness
• extemporarinesses
• extemporary
• extempore
• extempores
• extemporisation
• extemporise
• extemporised
• extemporises
• extemporising
• extemporization
• extemporize
• extemporized
• extemporizes
• extemporizing
• extend
• extendabilities
• extendability
• extendable
• extendant
• extended