• (n.) The act or process of freeing from zinc; also, the condition resulting from the removal of zinc.
De·zinc`i·fi·ca'tion noun The act or process of freeing from zinc; also, the condition resulting from the removal of zinc. 
Selective corrosion of the beta phase of duplex brass that leaves a copper residue under a ‘meringue’ of zinc oxide.
Selective corrosion of the beta phase of duplex brass that leaves a copper residue under a ‘meringue’ of zinc oxide.
removal of zinc. · loss of zinc by corrosion.
The selective corrosion of the beta phase of Duplex Brass. The result is a Copper residue with a porous layer of Zinc Oxide.