Standard Lemma guide

microfilament

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • /ˈmaɪkrəʊˌfɪləmənt/

1

noun

Meaning 1

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

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: actin filament

Antonyms: none provided

History

Etymology

Etymology tree English micro- Proto-Indo-European *gwhiH-(s-)lo-der. Proto-Italic *fī(s)lom Latin fīlum Proto-Indo-European *-h2 Proto-Indo-European *-éh2 Proto-Indo-European *-yéti Proto-Indo-European *-eh2yéti Proto-Indo-European *-h2tiinflu. Proto-Italic *-ājō Proto-Italic *-āō Latin -ō Late Latin fīlō Proto-Indo-European *-mn̥ Proto-Indo-European *-mn̥tom Proto-Italic *-mentom Latin -mentum Medieval Latin fīlāmentumbor. English filament English microfilament From micro- + filament.

Across languages

Translations

3 source translations are retained for this English entry.

  • Arabic: خيط أكتين — protein filament in cells
  • Czech: mikrofilamentum — protein filament in cells
  • German: Mikrofilament — protein filament in cells