from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A soft, steel-gray to black, hexagonally crystallized allotrope of carbon with a metallic luster and a greasy feel, used in lead pencils, lubricants, paints, and coatings, that is fabricated into a variety of forms such as molds, bricks, electrodes, crucibles, and rocket nozzles. Also called black lead, plumbago.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An allotrope of carbon consisting of planes of carbon atoms arranged in hexagonal arrays with the planes stacked loosely that is used as a dry lubricant and in "lead" pencils.
- n. Short for graphite-reinforced plastic, a composite plastic made with graphite fibers noted for light weight strength and stiffness.
- n. A grey colour.
from the GNU version of the Collaborative International Dictionary of English
- 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.
from The Century Dictionary and Cyclopedia
- n. One of the forms under which carbon occurs in nature (see carbon), also known as plumbago and black-lead.
- n. Same as graffito. See the extract.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. used as a lubricant and as a moderator in nuclear reactors
Greek graphein, to write; see gerbh- in Indo-European roots + -ite1.(American Heritage® Dictionary of the English Language, Fourth Edition)
From German Graphit (A.G. Werner 1789), from Ancient Greek γράφω (graphō, "I write"). (Wiktionary)