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

W Waldglas
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Vetro di trina (italian, “lace glass”): A term loosely applied
to various types of vetro a reticello.
Victory beaker: A first-century A.D. roman mold-blown
drinking vessel inscribed in Greek with words meaning
“Take the victory.”
(German, “forest glass”): See Forest glass.
Warzenbecher (German, “wart beaker”): A heavy glass
tumbler made of forest glass and decorated with
prunts. it was produced in Germany in the 16th and
17th centuries.
Waster: A defective object discarded during manufacture.
Wasters are routinely recycled as cullet.
Water set: A pitcher with matching tumblers, sometimes
with a matching tray.
Weathering: Changes on the surface of glass caused by
chemical reaction with the environment. Weathering
usually involves the leaching of alkali from the glass by
water, leaving behind siliceous weathering products
that are often laminar.
Weeping glass: See Crizzling.
Wheel engraving: A process of decorating the surface
of glass by the grinding action of a wheel, using disks
of various sizes and materials (usually copper, but
sometimes stone), and an abrasive in a grease or slurry
applied to a wheel, as the engraver holds the object
against the underside of the rotating wheel. See also
Cutting and Copper-wheel engraving.
Whimsy: See Frigger.
Whiskey set: A decanter with matching tumblers,
sometimes with a matching tray.