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

  • n. The meter-kilogram-second unit of electrical charge equal to the quantity of charge transferred in one second by a steady current of one ampere. See Table at measurement.
  • adj. Of or relating to the Coulomb force.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. In the International System of Units, the derived unit of electric charge; the amount of electric charge carried by a current of 1 ampere flowing for 1 second. Symbol: C
  • n. Jewelry: pendant. From the homophone for Coulomb in Russian, кулон.

from the GNU version of the Collaborative International Dictionary of English

  • n. The standard unit of quantity in electrical measurements. It is the quantity of electricity conveyed in one second by the current produced by an electro-motive force of one volt acting in a circuit having a resistance of one ohm, or the quantity transferred by one ampère in one second. Formerly called weber.

from The Century Dictionary and Cyclopedia

  • n. The unit of quantity in measurements of current electricity; the quantity furnished by a current of one ampere in one second. See ampere.

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

  • n. French physicist famous for his discoveries in the field of electricity and magnetism; formulated Coulomb's Law (1736-1806)
  • n. a unit of electrical charge equal to the amount of charge transferred by a current of 1 ampere in 1 second


After Charles Augustin de Coulomb.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Borrowing from French coulomb. Named after the French physicist Charles-Augustin de Coulomb. (Wiktionary)



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