rare-earth element Hear it!

rare-earth element Definition

rare-earth element

noun

any of the series of metallic chemical elements, with consecutive atomic numbers of 57 (lanthanum) through 71 (lutetium) inclusive

Browse dictionary entries near rare-earth element

  1. ‹ rare earth
  2. ‹ rare bird
  3. ‹ rare
  4. ‹ rara avis
  5. ‹ rapturous
  6. ‹ rapture of the deep
  7. ‹ rapture
  8. ‹ raptorial
  9. ‹ raptor
  10. ‹ rapt
  1. rarebit ›
  2. raree show ›
  3. rarefied ›
  4. rarefy ›
  5. rarely ›
  6. rareripe ›
  7. rarify ›
  8. rarity ›
  9. Rarotonga ›
  10. RAS ›