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graphite Line breaks: graph|ite
Pronunciation: /ˈɡrafʌɪt/

Definition of graphite in English:


[mass noun]
A grey crystalline allotropic form of carbon which occurs as a mineral in some rocks and can be made from coke. It is used as a solid lubricant, in pencils, and as a moderator in nuclear reactors.
Example sentences
  • For instance, carbon may exist as either graphite or diamond in its solid phase.
  • Carbon, in the forms of charcoal, graphite, and diamond, was one of the earliest elements known to man.
  • One possibility of this sort of manipulation could turn carbon into either graphite or diamond.


Pronunciation: /ɡraˈfɪtɪk/
Example sentences
  • Related work to purify semiconducting nanotubes and remove graphitic contamination is also being carried out.
  • Helical microtubules of graphitic carbon have also been found.
  • The conventionally measured hardness of graphitic irons is influenced by the graphite, especially in gray iron.


Late 18th century: coined in German (Graphit), from Greek graphein 'write' (because of its use as pencil ‘lead’).

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