Kiln – A furnace for firing clay, forming glass, or melting enamels; studio kilns can achieve temperatures up to 2500F and can be fueled with gas, wood, or electricity.
Kiln-Forming – A glass-forming process that utilizes a kiln to heat glass in a refractory or heat-resistant mold, slump glass over a form, or fuse two or more pieces of glass together.
Kinetic – Active. Kinetic sculpture has parts that move, whether by air currents (as with a mobile) or by motors and gears.
Knot – The portion of wood that displays an area of growth around a tree branch.