Tungsten or its ore, especially as a commercial commodity.
More example sentences
- By 1907 most of the gold mining was replaced by tin and wolfram.
- It's then balanced with heavy inserts of wolfram (the principle ore in tungsten) on both the heel and toe.
- Karens also make their living by fishing in coastal areas, working in tin or wolfram mines, and gathering forest products like rattan and honey.
Definition of wolfram in:
- The US English dictionary