# abfarad

CEFR C2 · Noun

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

## Definition

a very large unit used to measure the ability of a material to store electricity. It is no longer used in modern science.

For teachers: a unit of electrical capacitance equal to one billion farads. It is an obsolete unit that was historically used in the centimetre-gram-second system of units.

## Examples

- The capacitor had a capacity of one abfarad.
- In older physics textbooks, you might find the abfarad listed alongside other archaic units of measurement.
- While the farad is the standard unit in modern electronics, the abfarad was once used to describe the immense capacitance of certain large-scale electrical systems.

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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.