# microfilament

> English word · Noun · IPA /ˈmaɪkrəʊˌfɪləmənt/

## Definitions
1. A thin filament made of the protein actin and found in cells; part of the cytoskeleton.

## Etymology
From micro- + filament.

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