DICT.TW Dictionary Taiwan
3.12.153.240
Search for:
▼[Show options]
[Pronunciation] [Help] [Database Info] [Server Info]

1 definition found

From: WordNet (r) 2.0

 cosmic microwave background
      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: cosmic
           background radiation, CBR, cosmic microwave
           background radiation, CMBR, CMB]