graphite

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graph·ite

(graf'īt),
A crystallizable soft black form of carbon.
Synonym(s): black lead, plumbago

graphite

[graf′īt]
Etymology: L, graphites, from Gk, graphis a writing instrument
a form of native mineralized carbon whose dust causes a form of pneumoconiosis when it is inhaled. See also pneumoconiosis.

graph·ite

(graf'īt)
A crystallizable soft black form of carbon.

graphite,

n a soft carbon substance with a metallic black or gray sheen and a greasy feel. It is used in pencils, as a constituent of lubricants, and for making refractories such as crucibles in which to melt gold and other metals.