protogalaxy

noun

pro·​to·​gal·​axy ˌprō-tō-ˈga-lək-sē How to pronounce protogalaxy (audio)
: a cloud of gas believed to be the precursor to a galaxy

Word History

First Known Use

1950, in the meaning defined above

Time Traveler
The first known use of protogalaxy was in 1950

Dictionary Entries Near protogalaxy

protofascist

protogalaxy

Protogasteraceae

See More Nearby Entries 

Cite this Entry

“Protogalaxy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/protogalaxy. Accessed 19 Apr. 2024.

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Britannica.com: Encyclopedia article about protogalaxy

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