Dictionary.net

• In electrotypy, the act or art of copying, in metals deposited by electrolytic action, a form or pattern which is made the negative electrode.

2010 - New Age Dictionary Database
By Oddity Software

• In electrotypy, the act or art of copying, in metals deposited by electrolytic action, a form or pattern which is made the negative electrode.

1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.