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

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engraved, or gilded with representations of hops or
barley.
Alembic (from Arabic al-anbiq, “the still”): An apparatus
used for distilling.
Alkali: in glassmaking, a soluble salt consisting mainly
of potassium carbonate or sodium carbonate. it is one
of the essential ingredients of glass, generally accounting
for about 15–20 percent of the batch. The alkali is a
flux, which reduces the melting point of the major constituent
of glass, silica.
Almorraja (spanish), almorratxa (Catalan): A rose water
sprinkler with many spouts, made in northern spain
between the 16th and 18th centuries.
Amberina: A type of Art Glass that varies in color from
amber to ruby or purple on the same object. This shaded
effect is due to the presence of gold in the batch. The
object is amber when it emerges from the lehr, but partial
reheating causes the affected portion to become
red or purple. Amberina, developed by Joseph locke
(1846–1936) at the new England Glass Company in East
Cambridge, Massachusetts, was patented in 1883.
Amen glass: A rare type of English wineglass with a
drawn stem. The bowl is decorated by diamond-point
engraving with verses from the Jacobite hymn followed
by the word “Amen,” and with emblems associated with
the Jacobite uprising of 1715. See also Jacobite glass.
Amphora (from latin): A jar with two handles.
Amphoriskos (from Greek, “small amphora”): A small jar
with two handles, used for perfume or toilet oil in the
pre-roman and roman periods.
Amulet: A charm believed to protect the wearer against
evil or to bring good fortune.