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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

He did not like filters so he invented the pipe which bears his name�a standard briar bowl mounted on a non-absorbing, easily cleaned duralumin stem.

From Time Magazine Archive

The school is in a mountain-surrounded piece of desert, hot enough to fry the traditional egg on a glider's duralumin fuselage.

From Time Magazine Archive

To its duralumin bosom it clutched a precious burden: the Bell Aircraft Corp.'s rocket-propelled XS-1, a plane designed to fly more than 1,000 miles an hour.

From Time Magazine Archive

The cars were composed of duralumin girders, which formed a flooring, a main girder running the full length of the car with a series of transverse girders spaced in accordance with the main loads.

From British Airships, Past, Present, and Future by Whale, George