What is the meaning of cosmic microwave background?

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. (.
- synonyms: cosmic background radiation, CBR, cosmic microwave background radiation, CMBR, CMB

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APA	WordNet. (2010). cosmic microwave background. Retrieved September 26, 2026, from http://smartdefine.org/cosmic_microwave_background/definitions/1267734
Chicago	WordNet. 2010. "cosmic microwave background" http://smartdefine.org/cosmic_microwave_background/definitions/1267734 (accessed September 26, 2026).
Harvard	WordNet 2010, cosmic microwave background, Smart Define, viewed 26 September, 2026, <http://smartdefine.org/cosmic_microwave_background/definitions/1267734>.
MLA	WordNet. "cosmic microwave background" 23 October 2010. Web. 26 September 2026. <http://smartdefine.org/cosmic_microwave_background/definitions/1267734>

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