Definition of bone ash in English:
The mineral residue of calcined bones, used chiefly in the production of bone china and fertilizers.
- The major ingredients are sand, soda ash, potash, zinc, and bone ash.
- Some glaze formulas or recipes also use volcanic ash or even bone ash.
- In its simplest form this involved heating a metal to melting point in a vessel made of a dried paste of bone ash.
Definition of bone ash in:
- British & World English dictionary
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