- opacifiers
- n. chemical agent added to a material in order to turn it opaque
English contemporary dictionary. 2014.
opacifiers
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Opacifier — An opacifier is a substance added to a material in order to make the ensuing system opaque. An example of a chemical opacifier is tin dioxide (SnO2), which is used to opacify ceramic glazes[1] and milk glass; bone ash is also used. Opacifiers… … Wikipedia
Forest glass — The term Forest glass or the German name Waldglas is given to late Medieval glass produced in North Western Europe from about 1000 1700AD using wood ash and sand as the main raw materials and made in factories known as glass houses in forest… … Wikipedia
Tin-glazing — is the process of giving ceramic items a tin based glaze which is white, shiny and opaque, normally applied to red or buff earthenware.The earliest tin glazed pottery appears to have been made in Iraq/Mesopotamia in the 9th century, the oldest… … Wikipedia
Ceramic glaze — Composite body, painted, and glazed bottle. Dated 16th century. From Iran. New York Metropolitan Museum of Art. Glaze is a layer or coating of a vitreous substance which has been fired to fuse to a ceramic object to color, decorate, strengthen or … Wikipedia
Anglo-Saxon glass — has been found across England during archaeological excavations of both settlement and cemetery sites. Glass in the Anglo Saxon period was used in the manufacture of a range of objects including vessels, beads, windows and was even used in… … Wikipedia
Roman glass — objects have been recovered across the Roman Empire in domestic, industrial and funerary contexts. Glass was used primarily for the production of vessels, although mosaic tiles and window glass were also produced. Roman glass production developed … Wikipedia
frit — 1. The material from which the glaze for artificial teeth is made. 2. A powdered pigment material used in coloring the porcelain of artificial teeth. [Fr. f., fried] * * * (frit) a fused mass produced by firing a mixture of quartz, kaolin,… … Medical dictionary
