|
|||
|
1. A rare metallic substance usually associated with the metal cerium; -- hence its name. It was formerly supposed to be an element, but has since been found to consist of two simpler elementary substances, neodymium and praseodymium. See Neodymium, and Praseodymium. 
|
ABCDEFGHIJKLMNOPQRSTUVWXYZ |
|
|
|