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Dictionary

du•ral•u•min

Pronunciation: (doo-ral'yu-min, dyoo-), [key]
—n.
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.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

dural

dura mater

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