# Hahn echo

> English word · Noun

## Definitions
1. Synonym of spin echo.

## Etymology
First detected in nuclear magnetic resonance by Erwin Hahn in 1950.

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