Pronunciation (UK) IPA (key): /ˈtʃɑː.kəʊl/ (US) IPA (key): /ˈtʃɑr.koʊl/ Audio (US)(file) Noun Singular charcoal Plural charcoals (countable & uncountable) Charcoal is a type of impure carbon obtained by heating wood it in the absence of oxygen. (countable) A charcoal is a stick of black carbon material used for drawing. (countable) A charcoal is a drawing made with charcoal. A very dark gray colour. Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads