smelting
noun [ U ] uk/ˈsmel.tɪŋ/ us/ˈsmel.tɪŋ/
提炼，炼取
the act or process of getting a metal from rock by heating it to a very high temperature, or of melting objects made from metal in order to use the metal to make something new
Iron mining and smelting reached their peak during the second half of the nineteenth century. 铁矿开采和冶炼在十九世纪下半叶达到顶峰。
The mining and smelting released lead and other dangerous metals into the river basin. 采矿和冶炼将铅和其他危险金属释放到河流流域。
See: smelt
- More examples
- Arsenic is found at high concentrations in mining states and other areas heavy with copper smelting.
- Aluminium smelting consumes thousands of megawatts of electricity.
- A gang has attacked a number of smelting operations and seized numerous gold bars.