Hahnium

2 definitions found

From WordNet (r) 2.0 [wn]:

  hahnium
       n : a transuranic element that has not been found in nature
           [syn: {unnilquintium}, {unnilpentium}, {Unp}, {element
           105}, {atomic number 105}]

From Elements database 20001107 [elements]:



  hahnium
  Symbol: Ha
  Competing name for {unnilpentium}, the 105th element, proposed by the
  American Chemical Society. Also a competing name for {unniloctium}, the
  108th element, proposed by the IUPAC. Both were chosen in honor of German
  researcher, Otto Hahn.