Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of various finely divided forms of carbon derived from the incomplete combustion of natural gas or petroleum oil and used to reinforce rubber and as an ingredient in inks, paints, crayons, and polishes.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A fine black powder of amorphous carbon manufactured by the incomplete combustion of natural gas or oil, and used as a pigment in the manufacture of ink and paint. Used as a filler in rubber like polymers and rubber. It helps the polymers resist deterioration by UV rays.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a black colloidal substance consisting wholly or principally of amorphous carbon and used to make pigments and ink

Etymologies

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Examples

  • On average, the storage modulus scores of composites containing 30 percent soy flour are 20 times higher than filler-free rubber, but somewhat lower than those reinforced with carbon black.

    High Plains Journal

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