carbonize

/ˈkɑːrbənaɪz/
verb
  1. To burn or heat something so that it turns into carbon or a black, charred substance.
    • The intense heat of the fire carbonized the wooden beams of the old house.
    • Scientists can carbonize plant material in a lab to study its structure.
    • If you leave the toast in too long, it will carbonize and become inedible.
  2. To coat or treat something with carbon.
    • Some artists carbonize paper to create a unique black background for their drawings.
    • The factory uses a special process to carbonize steel and make it harder.
    • They carbonize the surface of the metal to improve its resistance to rust.
Synonyms
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