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Allotropes of carbon Reference Libraries

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Graphite
2005-05-26 10:49:47

Graphite (named by Abraham Gottlob Werner in 1789, from the Greek γραφειν: "to draw/write", for its use in pencils) is one of the allotropes of carbon. Unlike diamond, graphite is a conductor, and can be used, for instance, as the material in the electrodes of an electrical arc lamp. Occurrence Associated minerals include: quartz, calcite, micas, iron meteorites and...

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definiens
  • The word or words serving to define another word or expression, as in a dictionary entry.
The word 'definiens' comes from the Latin word 'definire', 'to define'.
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