# Caccioppoli set

> English word · Noun

## Definitions
1. A set whose boundary is measurable and has (at least locally) finite measure.

## Etymology
The concept was introduced by the Italian mathematician Renato Caccioppoli in a paper in 1927.

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