Reference meaning
CBR
Last updated
(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
Related source terms
cosmic background radiationcosmic microwave background radiationcmbr
Source and scope
This definition is reproduced from Princeton WordNet 3.0, sense 11441077-n, under the WordNet 3.0 License. It has not yet received VocabularyBase editorial review. Read the source and license details.