To mark a surface with such images.
Drawings or words drawn on a surface in a public place, usually made without authorization.
Informal inscriptions, figure drawings, etc., as opposed to official inscriptions.
To apply graphite to.
A grey colour, resembling graphite or the marks made with a graphite pencil.
An allotrope of carbon, consisting of planes of carbon atoms arranged in hexagonal arrays with the planes stacked loosely, that is used as a dry lubricant, in "lead" pencils, and as a moderator in some nuclear reactors.