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
   - cosmic background radiation, CBR, cosmic microwave background radiation, cosmic microwave background, CMB

Type of: cosmic radiation

Encyclopedia: CMBR

• unambiguous
• unambiguously
• unambitious
• unambitiously
• unamended
• unamusing
• unanalysable
• unanalysed
• unanalyzable
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• unangry
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• unannealed
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