# smelter

/ˈsmɛɫtɝ/ (US) · /smˈɛltɐ/ (UK) · CEFR C1 · Noun

Source: https://englishreference.com/word/smelter
Updated: 2026-05-20

## Definition

a large factory where metal is melted down and purified. You use this word when talking about the process of turning raw ore into useful metal.

For teachers: a factory or industrial plant where metal is extracted from its ore by melting and refining. Often used in the context of heavy industry and environmental impact.

## Examples

- The smelter produces copper for the local industry.
- The town was built near the smelter because of the high demand for iron and steel in the region.
- Environmental regulations have forced the smelter to invest in advanced filtration systems to reduce the amount of toxic emissions released into the surrounding atmosphere.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.