zincificationhttp://www.oed.com/dictionary/zincification_n%3Ftab%3Dmeaning_and_usezincification, n.
First published 1921; not fully revised

zincificationnoun

  1. 1891–
    The process of zincifying, or state of being zincified.
    Stressed as ˌzincifiˈcation.
    1. 1891
      Argentiferous zinc may settle in the cavities during zincification.
      M. Eissler, Metallurgy of Argentiferous Lead 304

Originally published as part of the entry for zincify, v.

zincify, v. was first published in 1921; not fully revised.