Glass: A Pocket Dictionary Of Terms Commonly Used - Corning ...

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Size: in glassworking, the name applied to several glutinous
materials, such as glue and resin, used to affix color
or gold leaf.
Skyphos (from Greek), scyphus (from latin): A cup with
a foot and two opposed handles.
Slag glass: See Marbled glass.
Slumping: The process of reheating a blank until it becomes
soft and gradually flows under its own weight
over or into a former mold and eventually assumes the
shape of the mold. Soda-lime glass becomes soft at
about 1110˚F (600˚C). slumping is also known as sagging.
Smalt: Colored glass, often deep blue glass colored with
cobalt oxide. smalts are finely ground to use as colorants
for glass and enamel.
Snake-thread decoration: A type of decoration that
consists of trails applied in sinuous patterns. it was
made by the romans between the second and fourth
centuries A.D.
Snap: See Gadget.
Snuff bottle, snuffbox: A small bottle (in China) or box
(in Europe) for powdered tobacco, or snuff. The habit of
inhaling snuff, which spread to Europe from the Americas
in the 17th century, was introduced to China in the 18th
century.
Soda: sodium carbonate. soda (or alternatively potash)
is commonly used as the alkali ingredient of glass. it
serves as a flux to reduce the fusion point of the silica
when the batch is melted.
Soda-lime glass: Historically, the most common form
of glass. it contains three major compounds in varying
proportions, but usually silica (about 60–75 percent),
soda (12–18 percent), and lime (5–12 percent). soda-lime