Crossword Genius

Burnt wood used to draw with (8)

Ross

I believe the answer is:

charcoal

(Other definitions for charcoal that I've seen before include "type of fuel" , "Black carbon produced by burning wood" , "It's used in drawing and barbecues" , "It's made by burners for use in burners" , "Form of carbon for drawing" .)

I've seen this clue in the Sydney Morning Herald.
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