Term: Zinc Anodes (Zincs) Image: [{"name":"images\/public\/dictionary\/Zinc Anodes (Zincs)_bdwpfagx.jpg","usrName":"Zinc Anodes (Zincs).jpg","size":74972,"type":"image\/jpeg","thumbnail":"images\/public\/dictionary\/thZinc Anodes (Zincs)_gddiw7bj.jpg","thumbnail_type":"image\/jpeg","thumbnail_size":74972,"searchStr":"Zinc Anodes (Zincs).jpg,!:sStrEnd"}] Definition: Small pieces of zinc that attach to metal boat and engine components to help protect them from corrosion due to electrolysis, an effect caused when dissimilar metals are placed in a saltwater solution.