Term: cosmic background radiation: (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
Candidate hypernym: cosmic radiation: radiation coming from outside the solar system → 1
Candidate hypernym: yips: nervous tension that causes an athlete to fail (especially causes golfers to miss short putts) → 0
Candidate hypernym: world war: a war in which the major nations of the world are involved → 0
Candidate hypernym: psilophytaceae: Paleozoic plants → 0
Candidate hypernym: comptroller general: a United States federal official who supervises expenditures and settles claims against the government → 0
Candidate hypernym: laconian: a resident of Laconia → 0
Candidate hypernym: landowner: a holder or proprietor of land → 0
Candidate hypernym: crystal microphone: a microphone in which sound waves vibrate a piezoelectric crystal that generates a varying voltage → 0
Candidate hypernym: wild china tree: deciduous tree of southwestern United States having pulpy fruit containing saponin → 0
Candidate hypernym: prorogation: discontinuation of the meeting (of a legislative body) without dissolving it → 0
Candidate hypernym: place kick: (sports) a kick in which the ball is placed on the ground before kicking → 0