Definition of graphite noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈɡræfaɪt//
; NAmE NAmE//ˈɡræfaɪt//
[uncountable] Materials and properties
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a soft black mineral that is a form of carbon. Graphite is used to make pencils, to lubricate machinery and in nuclear reactors. See related entries: Materials and properties Word Originlate 18th cent.: coined in German (Graphit), from Greek graphein ‘write’ (because of its use as pencil “lead”).
See the Oxford Advanced American Dictionary entry: graphite