Filum

//ˈfaɪləm// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    a filamentous anatomical structure
  2. 2
    a threadlike structure (as a chainlike series of cells) wordnet

Synonyms

All synonyms
filamentfilament

Etymology

From Latin fīlum (“thread”). Doublet of file.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.