Definition of "duralumin" [duralumin]

• An alloy of aluminum that contains copper, manganese, magnesium, iron, and silicon and is resistant to corrosion by acids and sea water. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The framework was made of a new alloy called 'duralumin', nearly as strong in tension as mild steel and not much heavier than aluminium."
• "different colors and finishes and is made of "duralumin," which certainly sounds rugged."
• "The perch poles used in Totem are made of duralumin an alloy used in aeronautics."