1. Cast iron to which nickel has been added to make it resist abrasion
   - Ni-hard iron

Type of: alloy cast iron, alloy iron

• United Mine Workers of America
• genus Zinjanthropus
• genus Zinnia
• genus Zizania
• genus Ziziphus
• genus Zoarces
• genus Zoisia
• genus Zonotrichia
• genus Zostera
• genus Zoysia
• genus Zygnema
• genus Zygocactus
• genus Zygophyllum
• genus-Fenusa
• genus-Megapodius
• genus-Milvus
• Genyonemus
• Genyonemus lineatus
• Genève
• geo-
• geocaching
• geocentric
• geocentric parallax
• geocentrically
• Geochelone