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1. Oxford American Dictionary

   graphite

   • IPA[ˈɡraˌfīt]

   美式

   • n.
     a gray 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.

   • noun: graphite, plural noun: graphites

2. • 更多解釋

   graphite

   • IPA[ˈɡrafʌɪt]

   英式

   • n.
     a grey crystalline allotropic form of carbon which occurs as a mineral in some rocks and can be ...

   Oxford Dictionary