cosmic background radiation

cos·mic·backg·roundradiation

uncommon

noun

1.

(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

Related words

Broader terms

cosmic radiation

Grammar

noun
singular	cosmic background radiation
plural	cosmic background radiations

Nearby words

cosmetic dentistry cosmetic surgeon cosmetic surgery cosmetologist cosmic cosmic dust cosmic microwave background cosmic microwave background radiation cosmic radiation cosmic ray

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