| 释义 |
oreide|ˈɔəriːɪd|
[a. F. oréide, f. or gold: see -ide.]
A name given to a kind of brass with golden brilliancy, used for imitation jewellery, etc.
The composition apparently varies; that given in quot. 1875 is app. identical with that of oroide.
1875Ure's Dict. Arts III. 461 Oreide is the name given by MM. Meurier and Valient, of Paris, to an alloy which has a golden brilliancy. It is composed of copper 100, zinc 17, magnesia 6, sal-ammoniac 3·6, quick-lime 1·8, and tartar of commerce 9. Ibid., The oreide..is malleable, takes a most brilliant polish, and, if it tarnishes, its lustre is restored by acidulated water. 1881Metal World No. 6. 89 Oreide must not be confounded with oroide. Ibid., Oreide, zinc 13 parts, nickel 6 parts, copper 80 parts. |