Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
cosmic microwave background | Yes | No | No | No |
cosmic microwave background radiation | Yes | No | No | No |
cosmic microwave background (noun) | cosmic microwave background radiation (noun) |
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(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 | (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 |