Dopant

1 definition found

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

  Dopant \Dop"ant\ (d[=o]p"ant), n.
     a foreign substance added to a material to alter its
     properties; -- a process used. e.g., in making semiconductors
     from pure silicon in the manufacture of semiconductor chips
     and integrated circuits.
     [PJC]