# vesuvin

> English word · Noun

## Definitions
1. The pigment Bismark brown when used as a biological stain.

## Etymology
From German Vesuvin, from Vesuv (“Vesuvius”) + -in.

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