IPA: /ˈdjʊərəˌluːmɪn/
KK: /ˈdjuːrəˌluːmɪn/
A strong and lightweight metal made from a mixture of aluminum and other metals like copper and magnesium, often used in aircraft and other structures.
The airplane's wings were made of duralumin to ensure they were both strong and light.
Duralumin is a blend of 'dur-' (from Latin 'durus', meaning hard) and 'alumin' (derived from aluminum, which comes from the Latin 'alumen', meaning bitter salt). The word refers to a hard alloy of aluminum, emphasizing its strength and durability.
Think of 'dur' meaning hard, which helps you remember that duralumin is a strong, hard alloy of aluminum.