noun
: a pen drawing that is made over the photographic image of a light-sensitive paper after which the silver print is bleached out leaving the traced drawing and that is used frequently for changing a photograph into a line drawing
noun
: a pen drawing that is made over the photographic image of a light-sensitive paper after which the silver print is bleached out leaving the traced drawing and that is used frequently for changing a photograph into a line drawing
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012