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tom·bacalso tam·bac or tam·bak (tŏm′băk)
An alloy of copper with zinc and sometimes other metals, used in making inexpensive jewelry.
[French, from Dutch tombak, from Malay tembaga.]
(Metallurgy) any of various brittle alloys containing copper and zinc and sometimes tin and arsenic: used for making cheap jewellery, etc
[C17: from French, from Dutch tombak, from Malay tambâga copper, apparently from Sanskrit tāmraka, from tāmra dark coppery red]
a copper-zinc alloy, used to imitate gold.
[1595–1605; < Dutch tombak < Portuguese tambaca < Malay tembaga copper]
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|Noun||1.||tombac - an alloy of copper and zinc (and sometimes arsenic) used to imitate gold in cheap jewelry and for gilding|