# picric acid

> English word · Noun

## Definitions
1. 2,4,6-trinitrophenol, C₆H₂(NO₂)₃, prepared by the nitration of phenol or of aspirin; a toxic, yellow, explosive substance used in dyes, explosives, and as an antiseptic

## Etymology
From French picrique, from Ancient Greek πικρός (pikrós, “bitter”).

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