hahnium

from WordNet (r) 3.0 (2006)

hahnium
    n 1: a transuranic element [syn: {dubnium}, {Db}, {hahnium},
         {element 105}, {atomic number 105}]

from The Elements (07Nov00)

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.