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• duralumin
  duralumin

  noun

  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
  Duralumin

  noun

  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

duralumin

American  

[doo-ral-yuh-min, dyoo-] / dʊˈræl yə mɪn, dyʊ- /

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.

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Duralumin British  

/ 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

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Etymology

Origin of duralumin

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

Example Sentences

We first built a two-inch chamber of duralumin and glass, with a diaphragm, actuated by compressed air, which could fully expand the chamber in five thousandths of a second.

From Scientific American • Jun. 28, 2012

Because of the additional weight, and because the Douglas is a skin-stressed airplane, the windows had to be replaced with duralumin sheeting.

From Time Magazine Archive

The Perl plan is to build a 22-ft. duralumin fuselage shaped like a dirigible, hermetically sealed.

From Time Magazine Archive

Light through the girders and from many searchlights fall on a comparatively diminutive fabric of duralumin lying at one end of the dock.

From Time Magazine Archive

In 1916, the airship building personnel conducted experiments with airplanes made of airship duralumin girders covered with fabric.

From Zeppelin The Story of a Great Achievement by Vissering, Harry