GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW) | ||||||
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20:18 May 31, 2017 |
French to English translations [PRO] Art/Literary - Archaeology / ancient art | |||||
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| Selected response from: Tony M France Local time: 19:55 | ||||
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Summary of answers provided | ||||
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2 | deliberately heated to melt off the precious metals from the base metals |
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2 | Cupellation |
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Discussion entries: 3 | |
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deliberately heated to melt off the precious metals from the base metals Explanation: I think this is the gist of it, though you will of course need to word it appropriately to fit in with the rest of your text. |
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Cupellation Explanation: Perhaps this is what is meant, in which case it's one word for the price of ten! -------------------------------------------------- Note added at 9 days (2017-06-10 16:59:37 GMT) -------------------------------------------------- "Cupellation is a refining process in metallurgy, where ores or alloyed metals are treated under very high temperatures and have controlled operations to separate noble metals, like gold and silver, from base metals like lead, copper, zinc, arsenic, antimony or bismuth, present in the ore.[1][2][3] The process is based on the principle that precious metals do not oxidise or react chemically, unlike the base metals; so when they are heated at high temperatures, the precious metals remain apart and the others react forming slags or other compounds." -------------------------------------------------- Note added at 9 days (2017-06-10 17:02:09 GMT) -------------------------------------------------- So, it's similar to Tony's "melting off" the gold etc., but not quite the same: more a getting rid of everything else. https://en.wikipedia.org/wiki/Cupellation |
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