Dictionary

radio galaxy

noun

Definition of RADIO GALAXY

:  a galaxy that is a powerful source of radio waves
ADVERTISEMENT

First Known Use of RADIO GALAXY

1960

Browse

Next Word in the Dictionary: radiogeneticsPrevious Word in the Dictionary: radio–frequency amplificationAll Words Near: radio galaxy
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