| 单词 | coloured gold |
| 释义 | > as lemmascoloured gold coloured gold n. gold that has had its colour modified by alloying or other treatment. ΚΠ 1810 Weekly Entertainer 29 Jan. 97 Ear-rings of coloured gold in the form of a lamp or balance. 1890 W. G. McMillan Treat. Electro-metallurgy x. 217 The anode should be made of the purest gold obtainable; the presence of silver and copper..is fatal, because these..produce a bath which deposits a coloured gold. 1909 Metal Industry (New York) Sept. 331/1 The old jewelers were content with very few alloys—18 karat gold for rings, ‘colored’ gold (that is, 12 to 15 karat), and ‘bright’ gold for pin stems and brooch tongs, being all that they required. 2012 DNA (Nexis) 24 Apr. The jeweller is specialized in the latest variation of fashionable ornaments, diamond, rubies, emeralds, silver, platinum jewellery and coloured gold. < as lemmas |
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