Pronunciation: (i-lek'tru-tīp"), [key]
—n., v., -typed, -typ•ing.
1. a facsimile, for use in printing, of a block of type, an engraving, or the like, consisting of a thin copper or nickel shell deposited by electrolytic action in a wax, lead, or plastic mold of the original and backed with lead alloy.
to make an electrotype of.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.