# abhenry

CEFR C2 · Noun

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

## Definition

a very small unit for measuring inductance. It is equal to one billionth of a henry.

For teachers: a unit of inductance equal to one billionth of a henry. It is the CGS unit of inductance and is now largely replaced by the SI unit.

## Examples

- The coil has an inductance of one abhenry.
- In older physics textbooks, you might find the abhenry used to describe the inductance of tiny laboratory components.
- While the henry is the standard SI unit for inductance, the abhenry remains a historical reference point for those studying the evolution of electromagnetic theory in the late nineteenth century.

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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.