1. a type of feldspar used in making porcelain
Usage: technical; ceramics

Examples

• The potter added petuntze to the clay mixture to create fine porcelain.
• Chinese ceramicists have used petuntze for centuries in their porcelain production.
• The quality of the porcelain depends partly on the purity of the petuntze used.
• Petuntze is essential for achieving the translucent quality of true porcelain.
• The ceramic factory imported high-grade petuntze from specialized quarries.