i114032
Concept
a soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime
- Status
- active
- Source
- Princeton WordNet 3.0 – 14661482-n
a soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime