soft-paste porcelain
Technical term in ceramics; refers to porcelain fired at lower temperatures, often containing glass frit, and softer than hard-paste porcelain.
Soft-paste porcelain is fired at a lower temperature than hard-paste porcelain.
硬質磁器 is hard-paste porcelain, fired at higher temperatures and harder than 軟質磁器.
Compound of 軟質 (soft quality) and 磁器 (porcelain).