Decipium
Pronunciation : De*cip"i*um
Part of Speech : n.
Etymology : [NL., fr. L. decipere to deceive.] (Chem.)
Definition : Defn: 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.
Source : Webster's Unabridged Dictionary, 1913