| Answer | Crossword Clue |
|---|---|
| lanthanum | a rare element of the group of the earth metals, allied to aluminium |
| lanthanums | LANTHANUM, a rare element of the group of the earth metals, allied to aluminium |
| terbiums | a metallic element of the rare-earth group see element table |
| holmiums | a metallic element of the rare-earth group that forms highly magnetic compounds and is obtained especially from monazite see element table |
| holmium | a metallic element of the rare-earth group that forms highly magnetic compounds and is obtained especially from monazite see element table |
| yttriums | a metallic element usually included in the rare-earth group that occurs usually with other rare earth elements in minerals and is used especially in phosphors, YAG lasers, and superalloys see element table |
