different between acierage vs acieration

English

French aciérage, from acier (“steel”).

acierage

(historical) The process of electroplating a copper engraving with iron or steel.

http://books.google.com/books?id=8toRAAAAYAAJ&dq=Acierage&lr=lang_en&as_drrb_is=q&as_minm_is=0&as_miny_is=&as_maxm_is=0&as_maxy_is=&as_brr=3&client=firefox-a&pg=PA272#v=onepage&q=Acierage&f=false
http://books.google.com/books?id=hog1AAAAMAAJ&dq=Acierage&lr=lang_en&as_drrb_is=q&as_minm_is=0&as_miny_is=&as_maxm_is=0&as_maxy_is=&as_brr=3&client=firefox-a&pg=PA100#v=onepage&q=Acierage&f=false

Borrowed from French acier (“steel”) +? -ation.

acieration (usually uncountable, plural acierations)

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