| Term | Definition |
| burnishing | polishing leather-hard clay or terra sigillata by rubbing the surface |
| elements | coils made from nichrome or kanthal wire through which electricity is run to fire electric kilns |
| dunting | cracking of pottery caused by stressees which form during firing and cooling |
| hump | a large ball of clay centered on the wheel head from which several small forms are thrown and cut off |
| kiln furniture | refractory shelves, slabs, posts and stillts for supporting ware in the kiln |
| chuck | a thrown form which is centered and stuck onto the wheel head where it is used to hold a pot for trimming |
| bentonite | highly plastic clay |
| plasticity | characterisitc of moist clay that permits it to be deformed without cracking to retain its new shape when the deforming stress is removed |
| oxidation | fire during which the kiln chamber retains an ample supply of oxygen |
| feldspar | important part in glaze that is principle material and provides the principle flux |