cosmic background radiation


cosmic background radiation

noun

Definition of COSMIC BACKGROUND RADIATION

First Known Use of COSMIC BACKGROUND RADIATION

circa 1976

Browse

Next Word in the Dictionary: cosmic dust
Previous Word in the Dictionary: cosmicality
All Words Near: cosmic background radiation

Seen & Heard

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

Test Your Vocabulary

Take Our 10-Question Quiz

Name That Thing

Take our visual vocab quiz

Test Your Knowledge »

True or False?

A quick quiz about stuff worth knowing

Take It Now »

Join Us on FB & Twitter

Get the Word of the Day and More

Facebook | Twitter

Get Our Free Apps

Voice Search, Favorites,
Word of the Day, and More

iPhone | iPad | Android | More