COSMIC BACKGROUND RADIATION

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 Dictionary entry overview: What does cosmic background radiation mean? 

• COSMIC BACKGROUND RADIATION (noun)
  The noun COSMIC BACKGROUND RADIATION has 1 sense:

1. (cosmology) the cooled remnant of the hot big bang that fills the entire universe and can be observed today with an average temperature of about 2.725 kelvin

  Familiarity information: COSMIC BACKGROUND RADIATION used as a noun is very rare.

 Dictionary entry details 

• COSMIC BACKGROUND RADIATION (noun)

Sense 1

Meaning:

(cosmology) the cooled remnant of the hot big bang that fills the entire universe and can be observed today with an average temperature of about 2.725 kelvin

Classified under:

Nouns denoting natural phenomena

Synonyms:

CBR; CMB; CMBR; cosmic background radiation; cosmic microwave background; cosmic microwave background radiation

Hypernyms ("cosmic background radiation" is a kind of...):

cosmic radiation (radiation coming from outside the solar system)

Domain category:

cosmogeny; cosmogony; cosmology (the branch of astrophysics that studies the origin and evolution and structure of the universe)