Protogalaxy Definition

prōtō-gălək-sē
protogalaxies
noun
In some cosmological theories, a huge cloud of dust and hydrogen gas out of which millions of protostars are formed.
Webster's New World

Other Word Forms of Protogalaxy

Noun

Singular:
protogalaxy
Plural:
protogalaxies

Origin of Protogalaxy

  • proto- +"Ž galaxy

    From Wiktionary

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protogalaxy