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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

Sample: Oh, the sad, sad riot-squad men Withering away their finest years Like wintry shrubs under duralumin shields Beheiren's founder is Novelist Makoto Oda, 38.

From Time Magazine Archive

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

It represented, said Wright, a revolutionary advance in the technique of working duralumin, which meant development of a cylinder head that will give U.S. planes speed, altitude, load and range superiority over the Axis.

From Time Magazine Archive

"Dave Barret said they were using a new duralumin alloy in the tubes."

From Sabotage in Space by Glanzman, Louis