Definition of background radiation in English:

Share this entry

background radiation

noun

Astronomy
The uniform microwave radiation remaining from the Big Bang.
Example sentences
  • This microwave interference came to be recognized as cosmic background radiation, a remnant of the Big Bang.
  • We are also exposed to naturally occurring radiation or background radiation.
  • It's called the cosmic background radiation - radiation that originated in that primordial fire ball.

For editors and proofreaders

Syllabification: back·ground ra·di·a·tion

Share this entry
 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.