| 1 | The dentist used amalgam to fill my teeth. | |
| 2 | Brass is an alloy of copper and zinc. | |
| 3 | He knew brass is an alloy of copper and zinc. | |
| 4 | An alloy of iron and silicon used in the production of carbon steel. | |
| 5 | "Ornaments, objects, or utensils made of this alloy. " |