graphite

1. n. Native carbon in hexagonal crystals, also foliated or granular massive, of black color and metallic luster, and so soft as to leave a trace on paper. It is used for pencils (improperly called lead pencils), for crucibles, and as a lubricator, etc. Often called plumbago or black lead. Source: opted

2. n. used as a lubricant and as a moderator in nuclear reactors Source: wordnet

3. Native carbon in hexagonal crystals, also foliated or granular massive, of black color and metallic luster, and so soft as to leave a trace on paper. It is used for pencils (improperly called lead pencils), for crucibles, and as a lubricator, etc. Often called plumbago or black lead. Graphite battery (Elec.), a voltaic battery consisting of zinc and carbon in sulphuric acid, or other exciting liquid. Source: webster

4. Native carbon in hexagonal crystals, also foliated or granularmassive, of black color and metallic luster, and so soft as to leavea trace on paper. It is used for pencils (improperly called leadpencils), for crucibles, and as a lubricator, etc. Often calledplumbago or black lead. Graphite battery (Elec.), a voltaic batteryconsisting of zinc and carbon in sulphuric acid, or other excitingliquid. Source: adambom

5. n:100 n. used as a lubricant and as a moderator in nuclear reactors Source: ecdict

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