Lanthanum
| Date Released: |
|
|
Nov. 05, 1999 |
lanthanum n. metallic element, first of the lanthanide series. [Greek lanthano escape notice] |
Lanthanum | Date Released: |
|
|
Nov. 05, 1999 |
lanthanum n. metallic element, first of the lanthanide series. [Greek lanthano escape notice] |