Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

radio galaxy

noun

Definition of radio galaxy

  1. :  a galaxy that is a powerful source of radio waves



1960

First Known Use of radio galaxy

1960


Learn More about radio galaxy


Seen and Heard

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