| No. | Term | Definition |
|---|---|---|
| 1. | Abrasion | Surface wear from rubbing. |
| 2. | Air-dry clay | Clay that hardens without firing. |
| 3. | Alumina | Oxide that stiffens glazes. |
| 4. | Amphora | Two-handled storage jar form. |
| 5. | Anagama kiln | Wood-fired tunnel kiln. |
| 6. | Annealing | Controlled cooling to relieve stress. |
| 7. | Applied handle | Handle added to thrown body. |
| 8. | Archeological sherd | Pottery fragment from excavation. |
| 9. | Ash glaze | Glaze from wood ash flux. |
| 10. | Banding wheel | Turntable for decorating pots. |
| 11. | Bat | Removable wheelhead disk. |
| 12. | Biscuit firing | First firing before glazing. |
| 13. | Bisque | Fired, unglazed ceramic ware. |
| 14. | Blunger | Mixer for clay slip. |
| 15. | Bone dry | Completely dry, unfired clay. |
| 16. | Burnishing | Polishing clay for sheen. |
| 17. | Casting slip | Liquid clay for mold casting. |
| 18. | Celadon | Translucent greenish glaze. |
| 19. | Ceramic | Fired clay-based material. |
| 20. | Chamotte | Grog added to clay body. |
| 21. | Chattering | Ripple marks from trimming. |
| 22. | Clay body | Prepared clay mixture for forming. |
| 23. | Clay pit | Source area for raw clay. |
| 24. | Coil building | Handbuilding with rolled coils. |
| 25. | Compression | Smoothing to align clay particles. |
| 26. | Cone | Heatwork indicator for kilns. |
| 27. | Crackle glaze | Glaze with intentional crazing. |
| 28. | Crazing | Fine cracks in glaze surface. |
| 29. | Crock | Large utilitarian earthenware vessel. |
| 30. | Crucible | Heat-resistant ceramic melting cup. |
| 31. | Damp box | Container keeping clay workable. |
| 32. | Decal | Fired-on ceramic transfer image. |
| 33. | Deflocculant | Additive thinning slip with less water. |
| 34. | Dehydration | Water loss during drying. |
| 35. | Dipping tongs | Tools for dipping ware in glaze. |
| 36. | Dry foot | Unglazed base area. |
| 37. | Earthenware | Low-fired porous ceramic. |
| 38. | Engobe | Colored slip coating. |
| 39. | Extruder | Tool forcing clay through dies. |
| 40. | Fettling knife | Knife for trimming seams. |
| 41. | Firebrick | Refractory brick for kilns. |
| 42. | Fireclay | Heat-resistant clay for refractories. |
| 43. | Flashing | Fire-caused color variation on clay. |
| 44. | Fluting | Decorative grooves on surface. |
| 45. | Flux | Material that lowers melting point. |
| 46. | Foot ring | Raised base ring on vessel. |
| 47. | Frit | Pre-melted glaze ingredient. |
| 48. | Giffin Grip | Wheel tool holding pots for trimming. |
| 49. | Glaze | Glass-like coating on ceramics. |
| 50. | Glaze fit | How glaze matches clay expansion. |
| 51. | Glaze hopper | Spray gun attachment for glaze. |
| 52. | Glaze recipe | Measured formula for a glaze. |
| 53. | Greenware | Unfired, dried or leather-hard clay. |
| 54. | Grog | Crushed fired clay additive. |
| 55. | Hard-paste porcelain | High-fired true porcelain body. |
| 56. | Heatwork | Combined effect of time and temperature. |
| 57. | Incising | Cutting lines into clay. |
| 58. | Inlay | Filling carved areas with slip. |
| 59. | Iron oxide | Colorant producing browns and reds. |
| 60. | Jiggering | Forming with profile tool on mold. |
| 61. | Kaolin | Primary clay for porcelain. |
| 62. | Kiln | Oven for firing ceramics. |
| 63. | Kiln furniture | Shelves and supports inside kiln. |
| 64. | Kiln wash | Protective coating for kiln shelves. |
| 65. | Kintsugi | Repair with lacquer and gold. |
| 66. | Lid gallery | Rim seat for a lid. |
| 67. | Luster | Metallic overglaze sheen. |
| 68. | Majolica | Opaque tin-glazed earthenware style. |
| 69. | Mason stain | Commercial ceramic colorant. |
| 70. | Maturity | Point when clay or glaze is fully fired. |
| 71. | Mishima | Inlaid slip in carved lines. |
| 72. | Mold | Form for shaping clay or slip. |
| 73. | Mug | Handled drinking vessel. |
| 74. | Mullite | High-temperature ceramic crystal phase. |
| 75. | Nerikomi | Patterned colored clay technique. |
| 76. | Obvara | Hot pot dipped in fermented brew. |
| 77. | Opaque glaze | Nontransparent glaze surface. |
| 78. | Oxidation firing | Firing with ample oxygen. |
| 79. | Paper clay | Clay body with added paper fiber. |
| 80. | Pinch pot | Handbuilt pot pinched from lump. |
| 81. | Plaster mold | Absorbent mold for slip casting. |
| 82. | Pugmill | Machine mixing and de-airing clay. |
| 83. | Pyrometric cone | Cone measuring kiln heatwork. |
| 84. | Raku | Low-fire process with rapid cooling. |
| 85. | Reduction firing | Oxygen-starved firing atmosphere. |
| 86. | Refractory | Heat-resistant kiln material. |
| 87. | Rib | Shaping tool for clay surfaces. |
| 88. | Sagger | Protective lidded firing container. |
| 89. | Scoring | Scratching surface before joining clay. |
| 90. | Sculpture | Three-dimensional ceramic artwork. |
| 91. | Settling | Particles sinking in glaze bucket. |
| 92. | Shino | Japanese feldspathic glaze family. |
| 93. | Shrinkage | Size reduction during drying and firing. |
| 94. | Sintering | Partial bonding without full melting. |
| 95. | Slip | Liquid clay suspension. |
| 96. | Slip casting | Pouring slip into molds. |
| 97. | Slumping | Softening and sagging during firing. |
| 98. | Spalling | Flaking from thermal stress. |
| 99. | Sponge | Absorbent tool for smoothing. |
| 100. | Sprigging | Applying molded relief decoration. |