1A solid fuel made by heating coal in the absence of air so that the volatile components are driven off.
- The production of charcoal by heating wood in the absence of air and of coke by heating coal in the absence of air were both well known to ancient peoples.
- The coke is oxidized to carbon dioxide, which changes to carbon monoxide at high temperatures.
- In this reaction, the decomposition products of coke react with the metal oxide to produce carbon dioxide and the pure metal.
verb[with object] (usually as noun coking) Back to top
Convert (coal) into coke.
- We used to use charcoal, but then we learned how to run coal through coking ovens.
- These phenolic substances form a major part of environmental pollutants that are produced in petroleum refining, coking and coal conversion, chemical plants, foundries, and pulp and paper plants.
- The former coking plant was the scene of bitter clashes between striking pit workers and police in 1984-a confrontation which included NUM President Arthur Scargill's arrest.
Late Middle English (in the sense 'charcoal'): of unknown origin. The current sense dates from the mid 17th century.
Informal term for cocaine.
- Coke can be hard or soft depending on whether its user is an outgoing party-boy/girl, or an unstable type who needs the coke to become an interesting person.
- Was it an implication that I am a pothead, or a coke addict?
- It was coke, it was freebased cocaine, which is like homemade crack, really is what it is, and you smoke it.
Early 20th century: abbreviation.
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