Slag Meaning in English
word
Definition
Slag is the stony waste material that is left after metals have been separated from ore in industrial processes. Occasionally, it is also used informally in British English to insult someone, but this is offensive and less common.
Usage & Nuances
Technical term in metallurgy and construction. Plural: 'slags'. The informal insult meaning is British slang, very rude and not suitable for polite or professional situations. Focus on identifying the scientific meaning unless in a specific UK social context.
Example Sentences
The steel mill produces tons of slag every day.
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Workers remove slag from the furnace after smelting.
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You can use slag to make roads and concrete.
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After refining the metal, there’s always some slag left behind.
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Some construction sites recycle old slag for new projects.
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I wouldn’t use the word 'slag' to insult someone—it’s really offensive in the UK.
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