Search Result for "meitnerium": 
Wordnet 3.0

NOUN (1)

1. a radioactive transuranic element;
[syn: meitnerium, Mt, element 109, atomic number 109]



WordNet (r) 3.0 (2006):

meitnerium
    n 1: a radioactive transuranic element [syn: meitnerium, Mt,
         element 109, atomic number 109]