Webster’s Revised Unabridged Dictionary · 1913
Electrotype
E·lec′tro·type (ē·lĕk′trō·tīp), n. [Electro- + -type.] 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.
E·lec′tro·type, v. t. [imp. & p. p. Electrotyped; p. pr. & vb. n. Electrotyping.] To make facsimile plates of by the electrotype process; as, to electrotype a page of type, a book, etc. See Electrotype, n.