# abcoulomb

CEFR C2 · Noun

Source: https://englishreference.com/word/abcoulomb
Updated: 2026-05-18

## Definition

a very large unit of electric charge. It is equal to 10 times the smaller unit called a coulomb.

For teachers: a unit of electric charge in the centimetre-gram-second system of units. Equal to 10 coulombs, it is defined as the charge transported by a current of one abampere in one second.

## Examples

- The battery can store several abcoulombs of charge.
- In high-energy physics, researchers often measure the charge of particles in abcoulombs to account for the massive scale of their experiments.
- While the coulomb is the standard unit in most modern scientific contexts, the abcoulomb remains relevant in certain historical or specialized electromagnetic calculations where the CGS system is still preferred.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.