# Lauth's violet

> English word · Proper noun

## Definitions
1. Synonym of thionine (“the dyestuff”).

## Etymology
First synthesised by Charles Lauth.

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