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Noun: rare earth  rehr urth
  1. Any element of the lanthanide series (atomic numbers 57 through 71)
    - rare-earth element, lanthanoid, lanthanide, lanthanon

Derived forms: rare earths

Type of: group, grouping

Encyclopedia: Rare earth

Nearest

raptorial
raptorial bird
rapture
Rapture
rapturous
rapturously
raptus
rara avis
rare
rare bird
rare earth
rarebit
rare-earth element
raree-show
rarefaction
rarefied
rarefy
rarely
rareness
rare-roasted
rarified