# carboxyeosin

> English word · Noun

## Definitions
1. Any carboxy derivative of eosin, but especially 5(6)-carboxyeosin whose diacetate is used as a fluorescent dye

## Etymology
From carboxy + eosin.

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