1. a factory or facility where metal ore is melted to extract pure metal
2. a person who operates equipment to smelt metal ore

Examples

• The copper smelter processed tons of ore every day.
• Environmental regulations forced the old smelter to close down.
• He worked as a smelter at the steel plant for twenty years.
• The smelter’s smokestacks could be seen from miles away.
• Local residents complained about pollution from the nearby smelter.
• The experienced smelter knew exactly when the metal was ready.
• A new smelter was built to handle the increased demand for aluminum.