1. plural of smelter: facilities or furnaces used to extract metal from ore by heating
Usage: industrial
2. plural of smelter: workers who operate smelting equipment
Usage: occupational

Examples

• The copper smelters operated around the clock to meet production demands.
• Environmental regulations forced several old smelters to upgrade their equipment.
• The town’s economy depended heavily on the iron smelters.
• Skilled smelters were needed to operate the new furnaces safely.
• The aluminum smelters required enormous amounts of electricity.
• Many smelters have been relocated to areas with cheaper energy costs.