# Ronchigram

> English word · Noun

## Definitions
1. The convergent beam diffraction pattern of a known object with features comparable to the diffracting wavelength.

## Etymology
Named after Italian physicist Vasco Ronchi.

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