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]

The Collaborative International Dictionary of English. 2000.

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  • Decipium — was the proposed name for a new chemical element isolated by Marc Delafontaine from the mineral samarskite. He published his discovery in 1878 and a followup paper in 1881.[1][2][3] Later it was shown that decipium was a mixture of samarium and… …   Wikipedia

  • decipium — Chem. (dɪˈsɪpɪəm) [mod. irreg. f. L. dēcip ĕre to deceive, with ending of sodium, potassium, cerium, etc.] A supposed rare metallic element of the cerium earth group. Its oxide, decipia, was discovered by Delafontaine in 1878 in the samarskite of …   Useful english dictionary

  • Samarium — promethium ← samarium → europium ↑ Sm ↓ …   Wikipedia

  • Samarium — Sa*ma ri*um, n. [NL., fr. E. samarskite.] (Chem.) A rare metallic element of doubtful identity. [1913 Webster] Note: Samarium was discovered, by means of spectrum analysis, in certain minerals (samarskite, cerite, etc.), in which it is associated …   The Collaborative International Dictionary of English

  • List of elements by symbol — TOCright This is a list of chemical elements by symbol, including the current signification used to identify the chemical elements as recognized by the International Union of Pure and Applied Chemistry, as well as proposed and historical signs.… …   Wikipedia

  • Rare earth element — Rare earth ore, shown with a United States penny for size comparison These rare …   Wikipedia