Dictionary

protogalaxy

noun pro·to·gal·axy \ˌprō-tō-ˈga-lək-sē\

Definition of PROTOGALAXY

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

First Known Use of PROTOGALAXY

1950

Browse

Next Word in the Dictionary: ProtogasteraceaePrevious Word in the Dictionary: protofascistAll Words Near: protogalaxy
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears