# Cavalieri's principle

> English word · Proper noun

## Definitions
1. A development of the method of indivisibles, dealing with two-dimensional area or three-dimensional volume based on the intersections of lines or planes surrounding a region. It was an early step toward integral calculus.

## Etymology
Named after Bonaventura Cavalieri.

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