# micrierg

> English word · Noun

## Definitions
1. A unit of energy equivalent to 10⁻¹⁴ ergs, or 10⁻²¹ joules.

## Etymology
From micri- + erg. Proposed in 1922 by William Draper Harkins as a convenient unit for the surface energy of molecules.

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