1. coulomb

noun. a unit of electrical charge equal to the amount of charge transferred by a current of 1 ampere in 1 second.


  • quantity unit
  • abcoulomb
  • ampere-minute
  • ampere-second
  • charge unit

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2. Coulomb

noun. French physicist famous for his discoveries in the field of electricity and magnetism; formulated Coulomb's Law (1736-1806).

Sentences with coulomb

1. Noun, singular or mass
One ampere is defined as the flow of one coulomb (or 6 x 1018 electrons) by a single point on a conductor in one second_._