CMBR

1 definition found

From WordNet (r) 2.0 [wn]:

  CMBR
       n : (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 [syn: {cosmic
           background radiation}, {CBR}, {cosmic microwave
           background radiation}, {cosmic microwave background}, {CMB}]