lanthanide

2 definitions found

lanthanide - Collaborative International Dictionary of English v.0.48 :

  lanthanide \lanthanide\ n.
     Any rare earth element of the lanthanide series (atomic
     numbers 57 through 71).
  
     Syn: rare earth, rare-earth element, lanthanon.
          [WordNet 1.5]

lanthanide - WordNet (r) 2.1 (2005) :

  lanthanide
      n 1: any element of the lanthanide series (atomic numbers 57
           through 71) [syn: rare earth, rare-earth element,
           lanthanoid, lanthanide, lanthanon]