Definify.com
Webster 1913 Edition
Decipium
De-cip′i-um
,Noun.
[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
.