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An alloy of aluminum that contains copper, manganese, magnesium, iron, and silicon and is resistant to corrosion by acids and seawater.
[Originally a trademark.]
(Aeronautics) trademark a light strong aluminium alloy containing 3.5–4.5 per cent of copper with small quantities of silicon, magnesium, and manganese; used in aircraft manufacture. Also called: duraluminium
du•ral•u•min(dʊˈræl yə mɪn, dyʊ-)
a strong, lightweight alloy of aluminum, copper, and other metals, used in aircraft construction.
[1905–10; < Latin dūr(us) hard + alumin (um)]
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|Noun||1.||Duralumin - an aluminum-based alloy|
trademark - a formally registered symbol identifying the manufacturer or distributor of a product
alloy, metal - a mixture containing two or more metallic elements or metallic and nonmetallic elements usually fused together or dissolving into each other when molten; "brass is an alloy of zinc and copper"