Graphite

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Dictionary Meaning and Definition on 'Graphite'

Graphite Meaning and Definition from WordNet (r) 2.0
    graphite n : used as a lubricant and as a moderator in nuclear reactors [syn: black lead, plumbago]
Graphite Meaning and Definition from Webster's Revised Unabridged Dictionary (1913)
    Graphite \Graph"ite\, n. [Gr. gra`fein to write: cf. F. graphite. See Graphic.] (Min.) 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.

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Wikipedia Meaning and Definition on 'Graphite'


Graphite, like diamond, is an allotrope of carbon. They are very similar to each other but the structure of the atom affects the chemical and physical properties. Graphite is made of layers of carbon atoms. These layers can slide over each other very easily. This means that it is very soft. It is a dull gray in appearance. Due to the delocalized electrons between the layers, it can conduct electricity very well.

Graphite can be formed from coal put under high heat and pressure. Also, graphite can be turned into diamond with enough heat and pressure. This is how synthetic (man-made) diamonds are made.

Graphite is naturally found in Sri Lanka,Canada and the United States. It is also called Lead Black. It was named by Abraham Gottlob Werner in 1789 originating from the Greek language.

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