| cosmic background radiation | (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, Syn. CMBR, cosmic microwave background radiation, CBR, cosmic microwave background, CMB |
| 宇宙背景放射 | [うちゅうはいけいほうしゃ, uchuuhaikeihousha] (n) cosmic background radiation [Add to Longdo] |