Firing
clay or enamel is processed in extreme heat in a kiln
Glaze (Gloss)
A glass surface applied by painting over bisquewear, changes color in the kiln
Slip
liquid clay used for bonding and casting
Bone-dry Clay
the clay is completely air dry, that has retained no moisture
Clay
natural earthy material that is plastic when wet and used for making pottery
Bat
a round disc made of plastic, wood or plaster used for wheel throwing
Greenware
Leather Hard Clay
Scoring
The action of making lines in the clay to help it bond, can be made using the pin tool or the metal scraper tool
Bisqueware
Once-fired clay
Centering
Locating a ball of clay on the exact center of the wheel
Pottery
Work made of clay and fired in a ceramic kiln
Throw
To fashion clay on the potters wheel
Egyptian Paste
The first known glaze discovered in Egypt, often blue in color, created to simulate gemstones
Kiln
An oven used to fires ceramics and enamels, gas fired, wood fired or electric (?)
Wedging
The process of kneading clay to remove air pockets
Slump-Mold
A mold used for making bowls and dishes
Cone
A mixture of clay with a predetermined melting point, used to time firing in the kiln
Earthenware
a secondary, low fire clay that fires red in color. Usually used by beginners.
Grog
Crushed firebrick that has been mixed into the clay to help it withstand the process of firing
Vitreous/Vitrification/Vitrified
The process of firing glaze and clay till they fuse
significant changes that occur when clay dries:
Shrinking (10-15%) , Color Change, Hardens
Pinch technique
forming a vessel through pinching the clay out form a center point
Coil technique
Coils layered on top of each-other to form a pot
Slab technique
an even, thin sheet of clay
Wheel technique
Throwing clay on a potter’s wheel
Underglaze
Non-color changing glazed used on greenware
Sgraffito
intricate carvings through underglaze on greenware
Anatomy of a pot
Foot, Hip/Shoulder, Neck, Lip, Mouth