Glossary of Terms - O

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  • Opening

    Opening

    When Throwing on the Wheel, making a hole in the center of the clay to begin forming a pot.



  • Oxidation and Reduction

    Oxidation and Reduction

    Kiln atmosphere, either with a sufficient amount of oxygen for fuel combustion (oxidation), or an insufficient amount of oxygen for fuel combustion (reduction). Atmoshere can have drastic effects on clay and glaze surfaces.