# nanoparticle

> English word · Noun · frequency rank #53,126

## Definitions
1. Any microscopic particle less than about 100 nanometers (nm) in diameter.

## Etymology
From nano- + particle.

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