duralumin

[ doo-ral-yuh-min, dyoo- ]

noun

1. an alloy of aluminum that is 4 percent copper and contains small amounts of magnesium, manganese, iron, and silicon: used for applications requiring lightness and strength, as in airplane construction.

Duralumin

/ djʊˈræljʊmɪn /

noun

1. 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

Word History and Origins

Origin of duralumin¹

1905–10; < Latin dūr ( us ) hard + alumin(um)

Example Sentences

Fighting to keep themselves erect, they slammed the heavy duralumin portal to and fastened it.

From Project Gutenberg

But duralumin, probably, a very light, strong alloy; and what I have here is a hunting knife with a can-opener on one end!

From Project Gutenberg

Duralumin is four or five times as strong as aluminum and yet weighs but little more.

From Project Gutenberg

The duralumin factory is capable of meeting all Zeppelin requirements.

From Project Gutenberg

They were through, penetrating solid crystal, masonry, steel and duralumin girders.

From Project Gutenberg