Word Study
raptus |
raptus hemorrhagicus |
rara avis |
rare |
rare bird |
rare earth
| rare-earth element
| rare-roasted
| rarebit
| raree-show
| rarefaction
rare earth
WORDNET DICTIONARY
Noun rare earth has 1 sense
- rare earth(n = noun.substance) lanthanide, lanthanoid, lanthanon, rare-earth element - any element of the lanthanide series (atomic numbers 57 through 71); Array is a kind of group, grouping
has particulars: terbium metal
For further exploring for "rare earth" in Webster Dictionary Online