A colorless glass containing chalk, developed in Bohemia in the late 17th century. Vessels of thick chalk glass were often elaborately engraved.
A drinking vessel with a bell-shaped body, a foot, and two handles. Kantharos (from Greek), cantharus (from Latin)
A concavity in the base of a vessel, usually made by depressing the base with a tool. The provision of a kick strengthens the bottom of the vessel and reduces the vessel’s capacity.
An oven used to process a substance by burning, drying, or heating. In contemporary glassworking, kilns are used to fuse enamel and for kiln-forming processes such as slumping.
The process of fusing or shaping glass (usually in or over a mold) by heating it in a kiln.
A refractory powder that can be mixed with water and applied to shelves in a kiln or to mandrels to prevent glass or glaze from sticking to them. This is also known as bat wash.
A component, usually bulbous, of the stem of a drinking glass, hollow or solid, used either singly or in groups, and placed contiguously or with intermediate spacing; also the finial at the center of a lid.
(from Arabic kuhl, a cosmetic) A small tubular container for cosmetics such as kohl. Kohl is a black powder, traditionally prepared from antimony, used in many parts of the Islamic world to darken the eyelids.
(from Greek, “small mixing bowl”) A small vessel with a wide mouth and body, and a foot. The term is often used to describe certain core-formed Egyptian vessels of the second millennium B.C.
(German, “cabbage stalk”) A type of beaker with a cup-shaped mouth and a cylindrical or barrelshaped body decorated with prunts, made in Germany between the 15th and 17th centuries. It was the forerunner of the Römer.
Deep red glass colored by the addition of gold chloride to the batch. The method of making gold ruby glass was perfected by Johann Kunckel (1637-1703) in Potsdam shortly before 1679.
(German, “electors beaker”) A Humpen decorated with images of the Holy Roman emperor and the seven electors of the empire.
(German) A flask with the neck divided into two or more tubes. The Kuttrolf, which has Roman antecedents, was produced by German glassworkers in the later Middle Ages; it is also found among Venetian and façon de Venise glasses of the 16th and 17th centuries.