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

tury. Diamond-point engraving was carried to some of
its greatest artistic heights in the netherlands during
the 17th century. Today, other hard materials, such as
tungsten carbide, are used instead of diamonds. See
also Stippling.
Diatreta: A term used by Frederick Carder (1863–1963)
to describe openwork objects that he made by lost wax
casting.
Diatretum, vas diatretum (latin, “openwork vessel”): A
term frequently used to refer to a cage cup. The plural
form is vasa diatreta.
Dichroic glass: Glass that is one color when seen by
reflected light and another color when light shines
through it. This is sometimes due to the presence of
minute quantities of colloidal gold. Today, some glassmakers
achieve a similar effect by applying a dichroic
coating to glass that otherwise would not have this
property.
Die sinker: A maker of metal molds.
Dip mold: A cylindrical or truncated conical one-piece
mold with a patterned interior. The mold is open at the
top so that a parison can be dipped into it and then inflated.
it is also known as an optic mold.
Dolphin candlestick: A pressed glass candlestick with
a stem in the form of a dolphin, originally made in new
England between about 1840 and 1860.
Double cruet: See Gemel.
Double-walled: See Zwischengoldglas.
Dragon-stem goblet: A type of goblet with the stem
in the form of a dragon with a convoluted body, outspread
wings, open jaws, and a crest. Known in italian
as vetri a serpenti (serpent glasses), dragon-stem gob-
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