name, noun ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   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

   "He is charged up with enough coulombs to make his hair stand on end."

2. 2
   a unit of electrical charge equal to the amount of charge transferred by a current of 1 ampere in 1 second wordnet

Proper Noun

1. 1
   A surname from French, notably held by Charles-Augustin de Coulomb.

Synonyms

All synonyms

ampere secondampere-secondccharles augustin de coulombkilowatt hourunit

Example

More examples

"The SI unit for electric charge is the coulomb."

Etymology

From French coulomb, from the French physicist Charles-Augustin de Coulomb.

Related phrases

Coulomb attractionCoulomb attractionCoulomb barrierCoulomb barrierCoulomb blockadeCoulomb blockadeCoulomb collisionCoulomb collisionCoulomb energyCoulomb explosionCoulomb explosionCoulomb force

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.