Ambrotype

1 definition found

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

  Ambrotype \Am"bro*type\ (-t[imac]p), n. [Gr. 'a`mbrotos immortal
     + -type.] (Photog.)
     A picture taken on a plate of prepared glass, in which the
     lights are represented in silver, and the shades are produced
     by a dark background visible through the unsilvered portions
     of the glass.


     [1913 Webster]