CBR

C3B3R1

A form of cosmic background radiation — All the electromagnetic radiation entering the Earth from non-point sources in deep space, generally attributed to the Big Bang.

Similar
cosmic background radiationcosmic microwave background radiationCMBRcosmic microwave backgroundCMB
Less commonScrabble 7
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Meanings

nounCBR (uncountable)
  1. abbreviationinitialismuncountableastrophysicsInitialism of cosmic background radiation.
  2. abbreviationinitialismuncountablecomputingInitialism of case-based reasoning.
  3. abbreviationinitialismuncountablecomputingInitialism of constant bitrate.
proper noun
  1. abbreviationAbbreviation of Canberra.

Synonyms & antonyms

noun(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

Similar
cosmic background radiationcosmic microwave background radiationCMBRcosmic microwave backgroundCMB
Broader
cosmic radiation
Also see
case-based reasoningcosmic background radiationcosmic microwave background

Synonym sets from Open English WordNet, CC BY 4.0.

Rhymes & wordplay

Anagrams

BCRBRC
Cite this entry
APA

CBR. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/CBR

MLA

“CBR.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/CBR. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “CBR,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/CBR.

Source: CBR on Wiktionary, CC BY-SA 4.0.