Decipium

1 definition found

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

  Decipium \De*cip"i*um\, n. [NL., fr. L. decipere to deceive.]
     (Chem.)
     A supposed rare element, said to be associated with cerium,
     yttrium, etc., in the mineral samarskite, and more recently
     called samarium. Symbol Dp. See {Samarium}.
     [1913 Webster]