Davyum

1 definition found

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

  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]