English Reference
adjective · verb

charcoal

adj. · v.
US /ˈtʃɑɹˌkoʊɫ/ UK /tʃˈɑːkəʊl/ char·coal UK spelling charcoaling, charcoals

  1. 01 B2 Upper Intermediate

    adj.having a very dark grey colour.

    adj.of a dark grey colour; frequently used in the context of formal clothing or interior design.

    Simple

    He wore a charcoal suit to the wedding to look professional but not too formal.

    In context

    The designer recommended charcoal upholstery for the sofa to provide a sophisticated contrast against the white gallery walls.

    dark greysooty
  2. 02 C2 Proficiency Technical Cooking

    v.to cook food over a fire made of charcoal.

    v.to grill or sear food using charcoal as the primary heat source.

    Simple

    The restaurant is famous because they charcoal all their vegetables.

    In context

    The chef prefers to charcoal the octopus over high heat to achieve a smoky exterior while maintaining a tender texture.

Because charcoal is made from burned organic material, it can often be dated using this method.

ScienceDaily· 28 Jul 2026

Scientists examined 266 charcoal fragments under a microscope, identifying the internal wood structure to determine which plant species had been burned.

ScienceDaily· 15 Jul 2026

From Middle English charcole, from charren (“to change, turn”) + cole (“coal”), from Old English cierran (“to change, turn”) + col (“coal”); equivalent to char (Etymology 3 (verb)) + coal.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Old English cierran
Level B2 · Upper Intermediate
Frequency Frequent
Updated