a facsimile plate made by electrotypy for use in printing; also, an impression or print from such plate. Also used adjectively.
The face of an electrotype consists of a shell of copper, silver, or the like, produced by the action of an electrical current upon a plate of metal and a wax mold suspended in an acid bath and connected with opposite poles of the battery. It is backed up with a solid filling of type metal.
Origin: Electro- – –type.
to make facsimile plates of by the electrotype process; as to electrotype a page of type, a book, etc. See electrotype.
Origin: Electrotyped; electrotyping.