Dictionary
e•lec•trum
Pronunciation: (i-lek'trum), [key]—
n.
1. an amber-colored alloy of gold and silver used in ancient times.
2. an alloy composed of about 50 percent copper, 30 percent nickel, and 20 percent zinc.
3. German silver; nickel silver.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.