All About Glass

All About Glass

This is your resource for exploring various topics in glass: delve deeper with this collection of articles, multimedia, and virtual books all about glass. Content is frequently added to the area, so check back for new items. If you have a topic you'd like to see covered, send us your suggestion. If you have a specific question, Ask a Glass Question at our Rakow Research Library.

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Trick glass
Glass Dictionary Term

A glass, usually for wine and often of extraordinary shape, designed to be as difficult as possible to drink from without spilling the contents. In drinking competitions, any drinker who spilled wine was required to start again with a full glass. trick glasses trick-glass trick-glasses puzzle

Trulla
Glass Dictionary Term

(from Latin) The popular term for an ancient Roman dipper in the form of a shallow bowl with a single horizontal handle. trullas trullae Pan

Tureen
Glass Dictionary Term

(from French terrine, “flat-bottomed dish”) A deep, usually oval bowl with a lid, for serving soup; also, a smaller vessel with the same form, for serving sauce or gravy. tureens turene turrene turreen Covered Bowl

Twist
Glass Dictionary Term

A type of decoration in the stems of 18th-century and later drinking glasses, made by twisting a glass rod embedded with threads of white glass, threads of colored glass, columns of air (air twists), or a combination of all three. twists

Toddy plate
Glass Dictionary Term

A popular term for a small pressed glass plate, made between about 1830 and 1870, presumably as a saucer under a toddy glass. Toddy is a beverage composed of whiskey or another liquor, hot water, and sugar. toddy plates toddy-plate toddy-plates Toddy Plate

Toilet bottle
Glass Dictionary Term

A bottle for perfume or toilet water. Ancient Roman toilet bottles are frequently known as unguentaria. toilet bottles toilet-bottle Toilet Bottle

Tool
Glass Dictionary Term

Any instrument used by glassworkers to develop and shape an object. Glassworkers’ tools include the blowpipe, pontil, gathering iron, jacks, shears, clapper, pallet, block, pincers, battledore, lipper, and crimper. tools

Tooling
Glass Dictionary Term

The result of using a tool or tools. Jug with Nipt-diamond-waies

Trail
Glass Dictionary Term

A strand of glass, roughly circular in section, drawn out from a gather. trails Cone Beaker

Tazza
Glass Dictionary Term

(from Italian, “cup”) An ornamental dish or cup on a stemmed foot. Tazzas were generally made for drinking, for displaying fruit or sweetmeats, and as purely decorative objects. tazzas taza tazas Wineglass

Teardrop
Glass Dictionary Term

A drop-shaped air bubble enclosed in a glass, usually in the stem. teardrops tear drops tear drop tear-drop tear-drops Goblet

Tessera
Glass Dictionary Term

(from Latin, “small square tablet or block”) A small piece of glass or other suitable material, used in the formation of mosaics. tesseras tesserae Ring

Threading
Glass Dictionary Term

The process of winding a thin trail of glass around an object to create the appearance of parallel lines. In 1876, W. J. Hodgetts of Stourbridge, England, patented a machine that produced very regular and closely spaced threads. threaded thread Lemonade glass

Tieback
Glass Dictionary Term

A device for holding a drawn curtain back from the window. Some 19th- and 20th-century tiebacks have glass pommels or bosses. tiebacks tie-back tie-backs tie back tie backs Curtain Tie Back

Swirled ribbing
Glass Dictionary Term

A pattern of spiraling vertical ribs made by inflating the parison in a dip mold with vertical ribs, withdrawing it, and twisting it before continuing to inflate. The pattern is also described as wrythen. swirl ribbing swirl ribbed wrythens writhen writhens Wrythen Ale Glass

Table set
Glass Dictionary Term

A group of matching objects comprising a sugar bowl, creamer, spoon holder, and butter dish. table sets table-set 4-piece Toy Table Set

Taglia
Glass Dictionary Term

(Italian) A square-ended knife used to shape or sculpt molten glass on the blowpipe. taglias

Tank
Glass Dictionary Term

A large receptacle constructed in a furnace for melting batch. Tanks, which were first used in antiquity, replaced pots in larger glass factories in the 19th century. tanks

Taperstick
Glass Dictionary Term

A tall, thin vessel for tapers. Tapers are long wicks coated with wax for use as a spill. tapersticks taper stick taper sticks taper-stick taper-sticks Spill holder 2 Tapersticks

Striking
Glass Dictionary Term

The process of reheating glass after it has cooled, in order to develop color or an opacifying agent that appears only within a limited range of temperatures. strike Burmese Vase in "Lace Embroidery, Queen's" Pattern

Studio glass
Glass Dictionary Term

A term popularized in the 1960s for unique or limited-edition objects designed and made in a studio rather than a factory, often, but not necessarily, by the same person. studio glasses Vessel

Studio Glass movement
Glass Dictionary Term

A movement that began in the United States in the 1960s and has spread all over the world. It is characterized by the proliferation of glass artists who are not affiliated with factories, but work with hot glass in their own studios. The emergence of independent glass artists was made possible by

Sulphide
Glass Dictionary Term

A small ornamental object of white porcelainlike material, made to be encased in glass. The term is also applied to objects that are decorated with sulphides. They were popular in Europe and America throughout the 19th century. The term “sulphide” is probably connected with the use of sulfur by

Sweetmeat
Glass Dictionary Term

A vessel for serving sweetmeats, sweet food such as preserved or candied fruit and sugared cakes or nuts. sweetmeats sweet meat sweet meats Sweetmeat Glass

Stippling
Glass Dictionary Term

(1) The technique of tapping the surface of a glass object with a pointed tool, often with a diamond or tungsten-carbide tip. Each tap produces a mark, and the decoration is composed of many hundreds or thousands of marks. (2) On lacy-pattern glass, the stippling is part of the decoration of the

Stirrup cup
Glass Dictionary Term

(1) A cup of wine or some other drink handed to a person when on horseback and about to set out on a journey; hence (2) a drinking vessel for consuming such drinks. stirrup cups stirrup-cup stirrup-cups Stirrup Glass

Stone
Glass Dictionary Term

Any crystalline inclusion present in glass. Stones consist of unmelted particles of batch, fragments of refractory material from the pot, or devitrification crystals. Stones of the first two varieties are generally irregular but rounded; those of the third variety are angular and well formed.

Strain cracks
Glass Dictionary Term

Fissures in the body of a vessel caused by internal strain resulting from inadequate annealing and/or accidental thermal shock. strain crack strain cracking

Strigil
Glass Dictionary Term

(from Latin strigilis, “scraper”) A scraper used by the ancient Romans to remove impurities from the skin after bathing. Although strigils were usually made of metal, a few glass examples are known to exist. strigils Strigil

Spill holder
Glass Dictionary Term

A tall, narrow vessel for spills. Spills are thin strips of wood, or folded or twisted pieces of paper, used for lighting candles, pipes, etc. spill holders spill-holder Taperstick

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