charcoal

UK: ˈtʃɑːkəʊl | US: ˈtʃɑːrkoʊl

Definition
  1. n. a black or dark gray porous solid fuel made by heating wood or other organic matter in the absence of air

  2. n. a dark grayish color resembling burnt wood

  3. n. a drawing material made of compressed charcoal

Structure
char <to burn partially>coal <carbon fuel>
Etymology

charcoal = char<to burn partially> + coal<carbon fuel>

  • char (from Old English cierran "to turn," later "to scorch"): Implies partial burning or carbonization.
  • coal (from Old English col "mineral coal"): Refers to carbon-rich fuel.

Etymology Origin:
The word "charcoal" emerged in Middle English (14th century) by combining "char" (partial burning) and "coal" (carbonized material). It originally described the process of burning wood slowly to produce a lightweight, carbon-rich residue. Over time, the term expanded to include both the fuel and its artistic use. The logic reflects the transformation of wood into a purified carbon state through controlled combustion.

Examples
  1. The artist sketched the portrait using charcoal on textured paper.

  2. We grilled the meat over hot charcoal for a smoky flavor.

  3. The cave walls were blackened by ancient charcoal drawings.

  4. Charcoal filters are effective at purifying water.

  5. After the fire, only piles of charcoal remained from the wooden shed.