# bethe

> English word · Noun · frequency rank #72,989

## Definitions
1. A unit of energy equivalent to 10⁵¹ ergs, or 10⁴⁴ joules.

## Etymology
Decapitalization of Bethe. Coined by astrophysicist Gerald E. Brown. Named after astrophysicist Hans Bethe, his collaborator on papers where this value frequently occurs.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/bethe