noun Metallurgy.
the act or process of forming a metallic object by electroplating a removable mandrel or matrix.

1950–55; electro- + forming

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verb (used with object) Metallurgy.
to form (an object) by the electrodeposition of a metal upon a mold, often a wax mold.

1950–55; electro- + form

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
electroform (ɪˈlɛktrəˌfɔːm)
to form (a metallic object) by electrolytic deposition on a mould or matrix

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Encyclopedia Britannica


making duplicates by electroplating metal onto a mold of an object, then removing the mold. Intricate surface details are exactly reproduced by this process, which is used to make masters for pressing phonograph records. Electroforming is also used for reproducing medals and for making tubing with precisely controlled dimensions. Electrotyping (q.v.) is an electroforming process for making duplicate printing plates.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
Because of the chemistry applied to the sacrificial layer, only a limited number of metals can be used for electroforming.
Electroforming is a room temperature process and thus there is no concern regarding the maintenance of dimensional integrity.
Utilizing an electroforming process on casings from actual test fires, a set of master casings has been produced.
Similar to chrome, nickel plating is used for decorative, engineering and electroforming purposes.
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