# microplastic

> English word · Noun

## Definitions
1. Small particles of plastic (typically less than 5 mm) produced by the degradation of plastic products, found in high levels in the marine environment and increasingly throughout all environments and in food and drinks.

## Etymology
From micro- + plastic.

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