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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Nipt-diamond-waies
Glass Dictionary Term

The technique of manipulating adjacent vertical ribs with pincers to form a diamond pattern. “Nipt-diamond-waies” was the term used by the English glassmaker George Ravenscroft (1632-1683) in a 1677 advertisement for his new lead glass. nipt diamond waies nipt diamond waie nipt-diamond-waie Rummer

Nuppenbecher
Glass Dictionary Term

(German, “drop beaker”) A beaker decorated with large, droplike prunts, which may be drawn out into pointed projections. nuppenbechers nupenbecher nupenbechers Nuppenbecher or Krautstrunk (prunted beaker)

Obsidian
Glass Dictionary Term

A volcanic mineral that was the first form of natural glass used by humans. It is usually black, but it can also be very dark red or green; its splinters are often transparent or translucent. obsidians

Oenochoe
Glass Dictionary Term

(from Greek, “wine pourer”) A pitcher with a trefoil mouth, used in ancient Greece to transfer wine from the mixing bowl to the cup. Between the sixth and third centuries B.C., miniature core-formed oenochoes were used as perfume bottles. Oenochoes Pitcher with Trefoil Mouth

Omom
Glass Dictionary Term

(perhaps from Arabic qumqum, “sprinkler”) A sprinkler with a tall, narrow neck and an oblate spheroid body. Omoms were used in the Islamic world for sprinkling perfume. omoms omam omams

Nef
Glass Dictionary Term

(from Old French nef, “ship”) A table ornament in the form of a ship, with the hull formed by blowing and the rigging consisting of trails. Sometimes, there is a spout in the hull. nefs Nef in the form of a Boat

Neoclassical
Glass Dictionary Term

A style of art, architecture, literature, music, etc., that is based on, or influenced by, classical styles, especially the styles of ancient Greece and Rome. neo-classical neoclasical Venus and Cupid

Neon
Glass Dictionary Term

Neon is an inert gas that, like some other gases, has the properties of high electrical conductivity and strong light-emissive power. Such gases can be introduced into evacuated glass tubes. Under these conditions, an electrical discharge causes the gas to emit light. Different gases emit different

Network mosaic glass
Glass Dictionary Term

Hellenistic and Roman glass composed of spirally wound canes, usually colorless and white or yellow, that are fused to create an overall pattern with a lacy appearance; %%lacy mosaic glass%% hence the alternative name. network-mosaic glass network mosaic glasses Lacy mosaic glass

Newel
Glass Dictionary Term

Usually, the post at the head and the foot of a flight of stairs, supporting the handrail. In the 19th century, glass finials were sometimes used to adorn newel posts. newals newels newal newel post newel posts Newel Post

Mosque lamp
Glass Dictionary Term

An Islamic lamp shaped like an inverted bell, with three or more handles from which it was suspended by chains. Many mosque lamps have gilded and enameled decoration, which often includes inscriptions naming the donor and quoting verses from the Koran. mosque lamps Vase in the form of a Mosque Lamp

Moss Agate
Glass Dictionary Term

A variety of Art Glass developed by John Northwood (1836-1902) and Frederick Carder (1863- 1963) in England in the late 1880s. It was made by casing a parison of soda-lime glass with colorless lead glass, then covering it with powdered glass of several colors, and casing it again with lead glass.

Muff
Glass Dictionary Term

A glass cylinder intended to be cut into sheets. muffs Cylinder glass

Muffle
Glass Dictionary Term

A fire-clay box in which glass (or porcelain) objects are enclosed, when placed in the muffle kiln, to protect them from the flames and smoke while they are subjected to low-temperature firing, especially in the process of firing enamels and gilding at temperatures of about 950°-1300°F (500°-700°C)

Muffle kiln
Glass Dictionary Term

A low-temperature kiln for refiring glass to fuse enamel, fix gilding, and produce luster. muffle kilns Kiln

Murrhine
Glass Dictionary Term

(from Latin murra, apparently the name of a mineral from which costly vessels [vasa murrina] were made) The English adjective “murrhine” and the Italian adjective “murrino” are sometimes applied to ancient Roman mosaic glass. It is probable, however, that vasa murrina were made from a semiprecious

Murrina
Glass Dictionary Term

These terms are used inconsistently, especially in the context of contemporary glass. When used as a noun, murrina usually refers to a multicolored element embedded in an object, whereas murrine most often refers to slices of a complex cane. murrini murinas murrinas murrines Murrine murine murina

Nappy
Glass Dictionary Term

In the United States, a small serving dish. nappies nappys Cut Nappy

Natron
Glass Dictionary Term

Sodium sesquicarbonate, originally obtained mainly from the Wadi el-Natrun, northwest of Cairo. It was commonly used by Roman glassmakers as the alkali constituent of batch.

Nécessaire
Glass Dictionary Term

(French, “necessity”) A traveling case containing a drinking glass and a knife, fork, and spoon. necessarie necessaries Nécessaires Necessaires

Mold blowing
Glass Dictionary Term

Inflating a parison of hot glass in a mold. The glass is forced against the inner surfaces of the mold and assumes its shape, together with any decoration that it bears. mold-blowing mold blown mold-blown

Mold pressing
Glass Dictionary Term

Forcing hot glass into an open or multipart mold by means of a plunger. mold-pressing mold pressed mold-pressed

Monteith
Glass Dictionary Term

A large bowl to contain ice water for cooling wineglasses. The bowl has a scalloped rim. Wineglasses were suspended in the scallops by their feet so that their bowls could be cooled in the water. Monteiths, usually of silver but sometimes of glass, were popular in the late 17th and 18th centuries.

Mosaic
Glass Dictionary Term

A surface decorated with many small, adjoining pieces of varicolored materials, such as stone or glass. mosaics Mosaic Glass Tabletop

Mosaic glass
Glass Dictionary Term

Objects made from preformed elements placed in a mold and heated until they fuse. The term “mosaic glass” is preferable to “millefiori,” except in the case of Venetian or façon de Venise glass. glass mosaics mosaic glasses millifiori millefiore millefioris Millefiori Mosaic Glass Bowl

Milled threading
Glass Dictionary Term

Decoration consisting of a trail (thread) that has been closely notched either by the use of a runner such as a roulette or by repeated indentation with the edge of the jacks. milled thread milled-thread Ring Beaker (Ringelbecher)

Mirror monogram
Glass Dictionary Term

A monogram written in such a way that each letter is reversed to produce its mirror image, the letter and its image being combined to give a symmetrical ornamental form. mirror-monogram mirror-monogramed mirror-monogrammed mirror monogrammed mirror monogramed mirror monograms Goblet with Royal Arms

Moil
Glass Dictionary Term

The unwanted top of a blown object. When the last stage in the forming process is the removal of the object from the blowpipe, the result is a narrow opening that almost certainly is not what the glassblower desires. After annealing, therefore, the top of the object is removed, usually by cracking

Molar flask
Glass Dictionary Term

A small flask standing on four very short feet resembling the roots of a tooth. The molar flask is a characteristic type of ninth- to 14th-century Islamic perfume bottle. Many examples have simple wheel-cut decoration. molar-flask molar flasks moler flask moler flasks Molar Flask

Mold
Glass Dictionary Term

A form used for shaping and/ or decorating molten glass. Some molds (e.g., dip molds) impart a pattern to the parison, which is then withdrawn, and blown and tooled to the desired shape and size; other molds (sometimes known as full-size molds) are used to give the object its final form, with or

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