Main Entry: graph·ite

Pronunciation: \ˈgraf-ˌīt\

Function: noun

: 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-ˈfit-ik\ adjective