d(y)əˈralyəmə̇n, d(y)u̇ˈ-; ˈd(y)u̇rəˈlümə̇n sometimes ˌd(y)u̇rəlˈyü- trademark
— used for an alloy consisting of 95.5 parts of aluminum to 3 parts of copper, 1 of manganese, and 0.5 of magnesium that after age-hardening is comparable in strength and hardness to soft steel