meitnerium
Concise Oxford English Dictionary © 2008 Oxford University Press:
meitnerium /mʌɪtˈnɪərɪəm/
▶noun the chemical element of atomic number 109, a very unstable element made by high-energy atomic collisions. (Symbol: Mt)
– origin 1990s: mod. L., from the name of the Swedish physicist Lise Meitner.
'meitnerium' also found in these Oxford entries:
