Semimetal

1 definition found

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

  Semimetal \Sem"i*met`al\, n. (Chem.)
     An element possessing metallic properties in an inferior
     degree and not malleable, as arsenic, antimony, bismuth,
     molybdenum, uranium, etc. [Obs.]
     [1913 Webster]