Davyum
Davyum Da"vy*um, n. [Named after Sir Humphry Davy, the English chemist.] (Chem.) A rare metallic element found in platinum ore. It is a white malleable substance. Symbol Da. Atomic weight 154. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • Davyum — was the proposed name for a chemical element found by the chemist Serge Kern in 1877.[1][2][3] It was shown that the material was a mixture of iridium and rhodium.[4] In the 1950 it was proposed that the new metal might have contained also… …   Wikipedia

  • davyum — Chem. (ˈdeɪvɪəm) [Named after Sir Humphry Davy, with termination um as in platinum, etc.] The name given by Kern in 1877 to a supposed metal of the platinum group, announced by him as discovered in Russian platinum ore. Watts Dict. Chem. VIII.… …   Useful english dictionary

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