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

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without affecting the inner layer. The term is frequently
but incorrectly applied to ancient roman ribbed bowls,
which were made in a different manner.
Pincers: A glassworker’s tool used for decorating objects
by pinching the glass while it is hot.
Plaque: An ornamental plate or tablet intended to be
hung up as a wall decoration or inserted in a piece of
furniture.
Plastic: susceptible to being modeled or shaped. When
it is in a molten state, glass can be described as plastic.
Plate glass: Flat glass of high quality, formed by rolling
molten glass on a metal plate and later grinding and
polishing it until the surfaces are parallel and completely
smooth.
Plating: A 19th-century American synonym for casing.
Pokal (German): A covered goblet with a flared bowl,
made mostly in Germany between the 17th and 19th
centuries, and used for drinking toasts.
Polishing: smoothing the surface of an object when it
is cold by holding it against a rotating wheel fed with a
fine abrasive such as pumice or cerium oxide. Glass can
also be polished with hand-held tools.
Polycandelon (from Greek polykandelon): A lighting fixture
consisting of a metal ring with apertures to hold
cone-shaped lamps, suspended by three chains.
Pomona: A type of Art Glass developed by Joseph
locke (1846–1936) at the new England Glass Company
and patented in 1885. Made of colorless glass, it was
mold-blown repeatedly, partly etched and stained
amber or rose, and decorated with blue and amber
garlands of flowers and fruits.