# Feynman diagram

> English word · Noun · IPA /ˈfaɪnmən ˈdaɪəɡɹæm/

## Definitions
1. A pictorial representation of the interactions of subatomic particles, showing their paths in space and time as lines, and their interactions as points where lines meet.

## Etymology
Named after its inventor, American theoretical physicist Richard Feynman (1918–1988).

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