Dysprosium
From Memory Alpha, the free Star Trek reference
| Name: | Dusprosium |
| Symbol: | Dy |
| Atomic Number: | 66 |
Dysprosium is a metallic rare earth element, number 66 on the periodic table.
According to Data in 2366, the abundance of dysprosium in a brown dwarf star is different than regular stars, when factored with terbium, holmium, erbium, and europium. (TNG: "Manhunt")
