* * *
graph·ite 'graf-.īt n carbon of a soft black lustrous form that conducts electricity and is used in lead pencils and electrolytic anodes, as a lubricant, and as a moderator in nuclear reactors called also plumbago
gra·phit·ic gra-'fit-ik adj
* * *
graph·ite (grafґīt) [L. graphites, from Gr. graphis a writing instrument] a form of native mineralized carbon; inhalation of its dust causes a form of pneumoconiosis. Called also plumbago.Medical dictionary. 2011.