from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The basic unit of electric charge, equal to the quantity of charge transferred in one second by a steady current of one ampere, and equivalent to 6.2415 × 1018 elementary charges, where one elementary charge is the charge of a proton or the negative of the charge of an electron. A coulomb's value in the International System differs very slightly from that in the meter-kilogram-second-ampere system of units.
  • adjective Of or relating to the Coulomb force.

from The Century Dictionary.

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

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Physics) 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 Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun 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
  • noun Jewelry: pendant. From the homophone for Coulomb in Russian, кулон.

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

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


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

[After Charles Augustin de Coulomb.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

Borrowing from French coulomb. Named after the French physicist Charles-Augustin de Coulomb.



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