# resorcinolphthalein

> English word · Noun

## Definitions
1. Fluorescein.

## Etymology
From resorcinol + phthalein.

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