Letters that make CMB
b, c, m are letters that make 'CMB'
CMBR is a word created by adding a letter to 'CMB'
1 possible definitions for 'CMB'
Under this definition, cmb is a noun and has the following properties:
CBR, cosmic microwave background radiation, CMBR, cosmic microwave background, cosmic background radiation have the same meaning as 'CMB'
'CMB' can be a type of cosmic radiation.