Alloy+of+copper
91metalwork — metalworker, n. /met l werrk /, n. objects made of metal. [1840 50; METAL + WORK] * * * Useful and decorative objects fashioned of various metals. The oldest technique is hammering. After с 2500 BC, casting was also used, molten metal being… …
92Orichalcum — is a metal mentioned in several ancient writings, most notably the story of Atlantis as recounted in the Critias dialogue, recorded by Plato. According to Critias, orichalcum was considered second only to gold in value, and was found and mined in …
93technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
94Meinl Percussion — For people and other organisations with the name Meinl, see Meinl (disambiguation). Roland Meinl Percussion is a leading manufacturer of cymbals and other percussion instruments, based in Gutenstetten, Germany. Their main brand is Meinl. Founded… …
95platinum group — ▪ chemical element group Introduction six metals, in order of increasing atomic weight, ruthenium (Ru), rhodium (Rh), palladium (Pd), osmium (Os), iridium (Ir), and …
96Rokushō — is a traditional Japanese compound for inducing patination in decorative non ferrous metals, especially several alloys which are nearly unknown outside Japan. Shakudō, an alloy of copper and gold, becomes dark blue violet; shibuichi, an alloy of… …
97ormolu — /awr meuh looh /, n. 1. Also called mosaic gold. an alloy of copper and zinc used to imitate gold. 2. Also called bronze doré, gilt bronze. gilded metal, esp. cast brass or bronze gilded over fire with an amalgam of gold and mercury, used for… …
98Papal mint — The Papal Mint is the pope s institute for the production of hard cash. Papal Mint also refers to the buildings in Avignon, Rome, and elsewhere that used to house the mint. (The Italian word for mint is Zecca). Contents 1 History of Papal coin 2… …
99Metalworking — Machining a bar of metal on a lathe. Metalworking is the process of working with metals to create individual parts, assemblies, or large scale structures. The term covers a wide range of work from large ships and bridges to precise engine parts… …
100pot metal — noun 1. cast iron used for making cooking wares • Hypernyms: ↑cast iron 2. an alloy of copper and lead used especially for making large pots • Hypernyms: ↑alloy, ↑metal * * * noun 1 …
