Bible Dictionaries
Alvanography

Webster's Dictionary

(1):

(n.) A method of producing by means of electrotyping process (without etching) copperplates which can be printed from in the same manner as engraved plates.

(2):

(n.) The art or process of depositing metals by electricity; electrotypy.

Bibliography Information
Webster, Noah. Entry for 'Alvanography'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​a/alvanography.html. 1828.