tungsten
Concise Oxford English Dictionary © 2008 Oxford University Press:
tungsten /ˈtʌŋst(ə)n/
▶noun the chemical element of atomic number 74, a hard steel-grey metal with a very high melting point (3410°C), used to make electric light filaments and in alloy steels. (Symbol: W)
– origin C18: from Swed., from tung ‘heavy’ + sten ‘stone’.
'tungsten' also found in these Oxford entries:
