# coulomb

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## cou·lomb

(ko͞o′lŏm′, -lōm′)*n.*

*Abbr.*

**C**

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 × 10

^{18}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. See Table at measurement.*adj.*also

**cou·lom·bic**(ko͞o-lŏm′bĭk, -lōm′-)

Of or relating to the Coulomb force.

[After Charles Augustin de

**Coulomb**.]## Coulomb

(ˈkuːlɒm;*French*kulɔ̃)

*n*

(Biography)

**Charles Augustin de**(ʃarl oɡystɛ̃ də). 1736–1806, French physicist: made many discoveries in the field of electricity and magnetism## coulomb

(ˈkuːlɒm)*n*

(Units) the derived SI unit of electric charge; the quantity of electricity transported in one second by a current of 1 ampere. Symbol:

**C**[C19: named after Charles Augustin de Coulomb]

## cou•lomb

(ˈku lɒm, -loʊm, kuˈlɒm, -ˈloʊm)*n.*

the SI unit of quantity of electricity, equal to the quantity of electric charge transferred in one second across a conductor in which there is a constant current of one ampere.

*Abbr.:*C[1880–85; after Coulomb]

## Cou•lomb

(ˈku lɒm, -loʊm, kuˈlɒm, -ˈloʊm)*n.*

**Charles Augustin de,**1736–1806, French physicist and inventor.

## cou·lomb

(ko͞o′lŏm′, ko͞o′lōm′) A unit used to measure electric charge. One coulomb is equal to the quantity of charge that passes a point in an electric circuit in one second when a current of one ampere is flowing through the circuit.

## coulomb

The unit of electric charge, defined as the quantity of electricity conveyed by one ampere in one second.

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Noun | 1. | coulomb - a unit of electrical charge equal to the amount of charge transferred by a current of 1 ampere in 1 secondcharge unit, quantity unit - a measure of the quantity of electricity (determined by the amount of an electric current and the time for which it flows) abcoulomb - a unit of electrical charge equal to 10 coulombs ampere-minute - a unit of charge equal to 60 coulombs |

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

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