IPA: /ˈsmɛltɪŋ/
KK: /ˈsmɛltɪŋ/
The process of heating and melting materials, especially to separate metal from its ore.
The smelting of iron is an important step in metal production.
Smelting comes from the Old English 'smealtan' (meaning to melt) and the suffix '-ing' (indicating the action or process of). The word 'smelting' refers to the process of melting metal ores to extract metal from them.
Think of the action of 'melting' ('smealtan') something to get the metal out — that's what smelting means.