DICT.TW Dictionary Taiwan

 neu·tron /ˈnuˌtrɑn, ˈnju-/
 中子

 neu·tron /ˈn(j)uˌtrɑn/ 名詞

 neutron
      n : an elementary particle with 0 charge and mass about equal to
          a proton; enters into the structure of the atomic nucleus

 neutron
 Weight: 1.6749286*10^-27kg
 A neutral hadron that is stable in the atomic nucleus but decays into a
 protron, an electron and an antineutrino with a mean life of 12 minutes
 outside the nucleus. Neutrons exist in all atomic nuclei except normal
 hydrogen. Reported in 1932 by James Chadwick.