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 Librarian at our Rakow Research Library.

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Metallic oxide
Glass Dictionary Term

The oxide of a metal. Oxides can be used to color glass and enamel, or to produce lustered or iridized surfaces. The resultant color depends primarily on the oxide used, but it can be affected by the composition of the glass itself and the presence or absence of oxygen in the furnace. metal oxide

Mezza-forma
Glass Dictionary Term

(Italian, “half-mold”) A term applied to the process of making vertical ribs on the lower part of a blown glass object by gathering additional glass on the parison and inflating it further in a dip mold. This technique is also known as me​zza stampatura or, in Muranese dialect, meza stampaura.

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.

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

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 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

Mosaic
Glass Dictionary Term

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

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

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

Nappy
Glass Dictionary Term

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

Nécessaire
Glass Dictionary Term

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

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

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

Omphalos bowl
Glass Dictionary Term

(from Greek omphalos, “navel”) A bowl with a hollow, raised boss (the “navel”) at the center. Omphalos bowls omphalo bowl omphalo bowls Bowl

Maigelein
Glass Dictionary Term

(German) A type of small hemispherical cup on a base with a kick, usually with vertical or swirled ribs,  made in Germany in the 15th and 16th centuries. majelen magalain maigelien Palm Cup (Maigelein)

Loving cup
Glass Dictionary Term

A large drinking vessel with two or more handles, passed around at banquets and similar gatherings so that several persons could drink from it in turn. love cups Loving Cup

Lipper
Glass Dictionary Term

A glassworker’s tool made of wood in the shape of a cone and with a handle. It is used to form the lip at the mouth of a vessel. lippers

Opal glass
Glass Dictionary Term

Glass that resembles an opal, being translucent and white, with a grayish or bluish tinge. opal glasses opal-glass Beaker

Opalescent glass
Glass Dictionary Term

(1) A type of late 19th-century Art Glass, made by covering a gather of colored glass with a layer of colorless glass containing bone ash and arsenic or the mineral cryolite from Greenland. The parison was inflated in a mold to produce raised decoration. When the parison was reheated, the raised

Openwork
Glass Dictionary Term

Work that is perforated. Openwork in glass objects can be made by creating a network of trails, by casting (see Diatreta), or by cutting (see Cage cup). open-work openworks Grand Double Helix Diatreta

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