Acceptable For Game Play - US & UK word lists

This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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.
  • 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.
  • 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.
  • 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.
  • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • n. used as a lubricant and as a moderator in nuclear reactors
  • Hypernym
    Words that are more generic or abstract
    c    carbon    atomic number 6   
    plumbago    blacklead   
    pencil    lead    pencil lead   
    Words with the same meaning
    plumbago    lead    black lead   
    Same Context
    Words that are found in similar contexts
    hematite    lodestone    magnetite    silica    charcoal