protogalaxy

noun
pro·​to·​gal·​axy | \ ˌprō-tō-ˈga-lək-sē How to pronounce protogalaxy (audio) \

Definition of protogalaxy

: a cloud of gas believed to be the precursor to a galaxy

First Known Use of protogalaxy

1950, in the meaning defined above

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The first known use of protogalaxy was in 1950

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Cite this Entry

“Protogalaxy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/protogalaxy. Accessed 23 Sep. 2020.

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Britannica.com: Encyclopedia article about protogalaxy

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