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

First Known Use of protogalaxy

1950

in the meaning defined above

See Words from the same year
NEW! Time Traveler

Learn More about protogalaxy


Seen and Heard

What made you want to look up protogalaxy? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!