electrum noun. 
[ɪ'lɛktrǝm] LME.[Latin from Greek ēlektron.]1.  A native mixture of gold with 20 per cent or more of silver; a pale yellow alloy with the same composition, used in jewellery. 
LME.2.  Amber. 
LME-L18.3.  An alloy of copper, nickel, and zinc. 
L19.  [TahlilGaran] English Dictionary ▲