cosmic infrared background

== English == === Noun === cosmic infrared background (uncountable) Low-level infrared radiation originating from all directions in space. Alternative forms: CIRB, CIB Holonyms: cosmic background, cosmic background radiation < electromagnetic radiation < radiation Comeronyms: CMB, CμB, cosmic microwave background; CNB, CνB, CvB, cosmic neutrino background; CGWB, CGB, cosmic gravitational-wave background