smelter
/'smeltə/
Học thuậtThân thiện
Definition
Noun: 1. An industrial facility where metal is extracted from its ore by heating and melting: A smelter is a factory designed for the process of smelting, which involves using high heat and chemical reactions to separate a pure metal from the naturally occurring rock (ore) that contains it.
Examples of Usage
- Noun:
- The new copper smelter will create hundreds of jobs for the region.
- Environmental regulations require the smelter to reduce its emissions.
- They toured the aluminum smelter to see how the raw bauxite is processed.
Advanced Usage
- "Smelter stack" or "smelter chimney": Refers to the tall chimney or smokestack of a smelting plant, often associated with industrial pollution.
- The old smelter stack is a landmark, though it no longer operates.
- "Smelter worker": A person employed at a smelting plant.
- The union negotiated a new contract for the smelter workers.
Variants and Related Words
- Smelt (verb): The core action performed at a smelter. It means to extract metal from ore by melting.
- They smelt iron ore to produce pig iron.
- Smelting (noun/gerund): The process itself.
- The smelting of aluminum requires a tremendous amount of electricity.
Synonyms
- Foundry: While closely related, a foundry typically melts already purified metals to cast them into shapes, whereas a smelter extracts the pure metal from raw ore. The terms are sometimes used interchangeably in casual contexts.
- Refinery: A facility for purifying a substance. An oil refinery purifies crude oil, while a metal refinery further purifies metal after initial smelting.
- Processing plant: A more general term for any industrial facility that processes raw materials.
Related Phrases
- "Smelter grade alumina": A specific, purified form of aluminum oxide produced as an intermediate product before smelting into aluminum metal.
- The shipment of smelter grade alumina arrived at the port.
- "Smelter slag": The stony waste matter separated from metals during the smelting process.
- The smelter slag was repurposed for use in road construction.
Noun
- an industrial plant for smelting