a soft black mineral that is a form of carbon. Graphite is used to make pencils, to lubricate machines and in nuclear reactors. Topics Physics and chemistryc1石墨 Oxford Collocations DictionaryGraphite is used before these nouns:- pencil
- racket
Word Originlate 18th cent.: coined in German (Graphit), from Greek graphein ‘write’ (because of its use as pencil “lead”).