# Babinet's principle

> English word · Noun

## Definitions
1. A principle that states that the diffraction pattern from an opaque body is identical to that from a hole of the same size and shape except for the overall forward beam intensity.

## Etymology
Named after French physicist Jacques Babinet.

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