protoporcelain

Example:The museum's collection includes several ancient protoporcelain vases from the Han Dynasty.

Definition:A vase made from materials and techniques similar to porcelain but not meeting the full criteria of porcelain purity or quality.

Example:The protoporcelain industry saw a surge in development during the Industrial Revolution due to the increased demand for decorative objects.

Definition:A term referring to the industry or production process of materials and objects that are similar to porcelain but not fully refined or pure.

Example:Many of the protoporcelain factories in China were known for making affordable yet charming decorative items.

Definition:A factory that produces objects similar to porcelain but not meeting the full criteria of porcelain quality or refinement.