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WordNet-Online 
 Definitions from WordNet
Noun zirconia has 1 sense 
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| Definitions from the WebZirconiaDefinition: Zirconia is a synthetic material, often used as a diamond substitute, known for its brilliance and durability. It is a type of ceramic oxide composed of zirconium dioxide. Examples: 
 Explore zirconia products:Zirconia Jewelry Zirconia Dental Crown Zirconia Ceramic Knife | ||||
| zipper foot  zipping zipporah zippy zips zir zirbanit zircon zirconia zirconium zirconium dioxide zirconium oxide zirconium silicate ziricote ziricpte zirkelbach zist 
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