Lanthanon

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  lanthanon \lanthanon\ n.
     Same as {lanthanide}.
  
     Syn: rare earth, rare-earth element, lanthanide.
          [WordNet 1.5]



From WordNet (r) 2.0 [wn]:

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