English Explanatory Dictionary

cosmic microwave background

English dictionary entry

Meanings

noun
  1. Faint thermal radiation that pervades all space and is thought to be the remnants of the Big Bang, produced during the epoch of recombination.

Pronunciation

LL-Q1860 (eng)-Flame, not lame-cosmic microwave background.wav

Word forms

cosmic microwave background

Etymology

It was originally called the primeval fireball.

Related words

CMB CμB CIRB CIB cosmic infrared background CNB CνB CvB cosmic neutrino background CGWB CGB cosmic gravitational-wave background
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