# micropollutant

> English word · Noun

## Definitions
1. Any pollutant that has a toxic effect at very small concentrations.

## Etymology
From micro- + pollutant.

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