
1) Copper or tin, to bronze 2) Currency production 3) Most of an alloy 4) Tin or zinc 5) Zinc
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https://www.crosswordclues.com/clue/base-metal

A base metal is a common and inexpensive metal, as opposed to a precious metal such as gold or silver. A long-time goal of alchemists was the transmutation of a base (low grade) metal into a precious metal. In numismatics, coins often derived their value from the precious metal content; however base metals were also used in coins in the past and t...
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http://en.wikipedia.org/wiki/Base_metal

Non-precious metal or alloy containing no gold or silver. Common base metals used in coinage include nickel and copper.
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http://en.wikipedia.org/wiki/Glossary_of_numismatics

The general term for non-precious metals such as copper, lead, iron and tin and their alloys such as brass, pewter, bronze and nickel silver.
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http://www.antique-marks.com/antique-terms-b.html

A non-precious metal.
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http://www.australian-shares.com/glossary-of-terms.php.html

The metal to be welded, brazed, soldered, or cut.
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http://www.bocindustrial.co.uk/bocindustrial/technical/glossary/b.html

(from the article `automotive ceramics`) Catalysts are either platinum-group metals or base metals such as chromium, nickel, and copper. In base-metal catalysts the active surfaces are ...
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http://www.britannica.com/eb/a-z/b/27

Non-precious metal; e.g., copper.
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http://www.encyclo.co.uk/local/10143

(1) The metal present in the largest proportion in an alloy; brass, for example, is a copper-base alloy. (2) An active metal that readily oxidizes, or that dissolves to form ions. (3) The metal to be brazed, cut, soldered, or welded. (4) After welding, that part of the metal which was not melted.
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http://www.encyclo.co.uk/local/20742

A metal that is readily oxidised; e.g., iron, copper. ... (05 Mar 2000) ...
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http://www.encyclo.co.uk/local/20973

(1) The metal present in the largest proportion in an alloy; brass, for example, is a copper-base alloy. (2) An active metal that readily oxidizes, or that dissolves to form ions. (3) The metal to be brazed, cut, soldered, or welded. (4) After welding, that part of the metal which was not melted
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http://www.encyclo.co.uk/local/21115

Non-ferrous metal, excluding precious metals.
Found on
http://www.lme.co.uk/glossary.html

Type: Term Definitions: 1. a metal that is readily oxidized, iron, copper.
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http://www.medilexicon.com/medicaldictionary.php?t=54592

Non-precious metal or alloy containing no gold or silver.
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http://www.translationdirectory.com/glossaries/glossary100.htm

non-ferrous, non-precious metal, including copper, lead and zinc.
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https://copperfoxmetals.com/investors/glossary-of-terms/

(1) The metal present in the largest proportion in an alloy; (2) the metal to be brazed, cut or welded; (3) after welding the part of the metal that was not melted during the process.
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https://steelforge.com/literature/steelog-the-5000-word-metals-glossary/

The metal to be welded or cut. In alloys, it is the metal present in the largest proportion. See also: Alloy.
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https://www.encyclo.co.uk/local/20687
noun a metal that is common and not considered precious; `lead, iron, copper, tin, and zinc are base metals`
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https://www.encyclo.co.uk/local/20974

The metal to be welded or cut.
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https://www.encyclo.co.uk/local/21107

Also known as pot metal is a mixture of non precious metals. It is frequently used as a base for gold-filled, gold plated or rolled gold plate coverings.
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https://www.encyclo.co.uk/local/22697

Any non-precious metal (eg. copper, lead, zinc, nickel, etc.).
Found on
https://www.encyclo.co.uk/local/22709

non-ferrous, non-precious metal, including copper, lead and zinc.
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https://www.encyclo.co.uk/local/22710

Any non-precious metal (eg. copper, lead, zinc, nickel, etc.).
Found on
https://www.encyclo.co.uk/local/22733

Any non-precious metal (e.g. copper, lead, zinc, nickel, etc.).
Found on
https://www.encyclo.co.uk/local/22734
No exact match found.