One of the mysteries of the English language finally explained.
A type of weathered volcanic tuff used to make Chinese porcelain.
- ‘Other fusible materials were added: the mineral sericite (a type of mica called petuntse) by the Chinese, alabaster by the Böttger workshop.’
- ‘The proportions of kaolin and petuntse in hard-paste porcelain may vary.’
- ‘Unlike earthenware and stoneware, porcelain is basically made from a mixture of two ingredients - kaolin and petuntse.’
Early 18th century: from Chinese (Mandarin dialect) báidūnzi, from bái ‘white’ + dūn ‘stone’ + the suffix -zi.
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