IPA: /ˈkoʊkɪŋ/
KK: /ˈkoʊkɪŋ/
The process of producing coke, a fuel made from coal, by heating it in the absence of air.
Coking is an important step in the production of steel.
Coking originates from the word 'coke' (from the verb 'to coke', meaning to convert coal into coke by heating it in the absence of air) combined with the suffix '-ing' (indicating the action or process of). The term 'coking' refers to the process of producing coke from coal.
Think of the process of turning coal into coke — that's what 'coking' means, as it involves the action of converting coal.