# nitrosonaphthol

> English word · Noun

## Definitions
1. Any of the three isomeric derivatives of naphthalene, C₁₀H₆(NOH)₂, used for colorimetric assays, such as testing for tyrosine, and in the manufacture of dyes.

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