china clay 
noun
Another term for kaolin.In 1746 William Cookworthy, a Plymouth chemist, recognized the occurrence of kaolin in Cornwall, in south-west England, and subsequently manufactured porcelain from Cornish china clay....
- Following Meissen and Sèvres products, British potters began to use china clay or kaolin, when in 1768 William Cookworthy, a Plymouth chemist, proved the potential of the kaolin reserves of Cornwall.
- Surprisingly, many of these are inorganic minerals; for example talc and kaolin or china clay.
- by main force
- by marriage
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- by mistake
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- byname
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- BYO
- BYOB
- BYOD
- BYOG
- by oneself
- by one's fingertips
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