■ noun a grey, crystalline, electrically conducting form of carbon which is used as a solid lubricant, as pencil lead, and as a moderator in nuclear reactors.
Derivatives
graphitic adjective
graphitization or graphitisation noun
graphitize or graphitise verb
Origin
C18: from Ger. Graphit , from Gk graphein 'write' (because of its use in pencils).