noun
- plural of refiner; people or companies that purify crude materials, especially oil, sugar, or metals
Examples
- Oil refiners are struggling with rising crude prices.
- Sugar refiners process raw cane into white sugar.
- The metal refiners use advanced technology to purify copper.
- Several refiners have announced plant closures this year.
- Gold refiners must meet strict purity standards.
- The company is one of the largest petroleum refiners in the region.