|

cosmic microwave background

DEFINITIONS OF: cosmic microwave background

1

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

Synonyms:
CBR, CMB, CMBR, cosmic background radiation, cosmic microwave background radiation
Type of:
cosmic radiation
radiation coming from outside the solar system
WORD FAMILY
USAGE EXAMPLES