Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “slag”

slag

noun [U] [U] (WASTE)    /slæɡ/
waste material produced when coal is dug from the ground, or a substance produced by mixing chemicals with metal that has been heated until it is liquid in order to remove unwanted substances from it → See also slag heapRubbish and wasteEnvironmental issues
(Definition of slag noun (WASTE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of slag

Definitions of “slag” in other dictionaries

Word of the Day

crew

If you crew a boat, or crew for someone on their boat, you help to sail it.

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More