Pottery Vocab 2

__________: a snakelike cylindrical length of clay used for forming handbuilt ceramic vessels, and sealing off seams between two joining pieces of clay.

• Cone

• Coil

• Grog

__________: a uniformly rolled area of clay used in hand building. Slabs often need to be leather hard for construction.

• Grog

• Cone

• Slab

__________: the state of being impure in mixture. With clay, the main contaminant is plaster. With glaze, a main contaminant is another glaze or clay.

• Contaminated
• Homogeneous

• Stoneware

__________: a technique for joining one leather hard and one plastic, or two leather hard pieces of clay together. Slip is applied to scored surfaces of both pieces and are joined and coiled together.

• Score and Slip
• Sgraffito

• Earthenware

__________: A manufactured cone of glaze that melts at a very specific temperature and time. They range from 022 (low, 1049 Degrees) up to 10 (high, 2374 Degrees).

• Slip

• Grog

• Cone

__________: pulverized bisque added to clay to provide structural stability during drying and firing.

• Coil

• Grog

• Slip

__________: a fluid suspension of clay and water, ranging from a thin consistency to thick paste.

• Coil

• Slip

• Stoneware

• Earthenware

__________: to make clay homogeneous and plastic by kneading.

• Score and Slip

• Sgraffito

• Wedging

__________: uniform in structure and composition throughout. With clay, this is done by wedging; with glazes, it is done by stirring.

• Homogeneous
• Contaminated

__________: ceramics decorated by scratching through underglaze or colored slip to reveal the natural clay color underneath.

• Slab

• Contaminated

• Sgraffito