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

Martin Burgess, a master clockmaker, used Harrison's mechanism and design along with modern materials like duralumin to construct the Martin Burgess Clock B, which has been sealed in a Perspex case at the Royal Observatory since January.

From The Verge

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

Samsung was able to keep the weight down while providing a durable exterior by using an aircraft-grade material known as Duralumin, “a lightweight material that is twice as strong as aluminum,” according to the company.

From Time

Gear-shifting is aided by a duralumin clutch-plate.

From Time Magazine Archive

America's Cup racing next year will be done according to new and stricter specifications forbidding such oddities as the Enterprise's light and springy duralumin mast, or the winches below decks which made her easier to handle.

From Time Magazine Archive