Word.ws English Dictionary

Plural of filament

regular plural

The plural of filament is filaments.

Forms of filament

Singularfilament /ˈfɪləmənt/
Pluralfilaments
Countablecountable

Filaments in a sentence

  • Muscle consists largely of actin and myosin filaments.From the entry muscle
  • The filaments of certain willows are semiconnate.From the entry semiconnate
  • (uncountable, by extension) The collection or mass of such outgrowths, filaments, or fibers growing or projecting from the surface of an object or organism.From the entry hair
  • The cyanobacteria grow filaments that are surrounded by a sticky gel-like sheath.[2021, Jaco J. Hamman, Just Traveling: God, Leaving Home, and a Spirituality for the Road, Fortress Press, →ISBN, page 68. From the entry desert glue
  • Among the neoptile feathers occur isolated bristle-like filaments, whose origin and function are unclear.2017 June 28, Hanneke Meijer, The Guardian. From the entry neoptile

Meaning of filament

  1. noun A fine thread or wire.
  2. noun Such a wire, as can be heated until it glows, in an incandescent light bulb or a thermionic valve.
  3. noun A massive, thread-like structure, such as those gaseous ones which extend outward from the surface of the sun, or such as those (much larger) ones which form the boundaries between large voids in the universe.

Full definition of filament

Questions about the plural of filament

What is the plural of filament?
The plural of filament is filaments.
Is filament countable?
Filament is a countable noun.

Source and license

Adapted from Wiktionary: filament (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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Cite this page: “Plural of filament.” Word.ws, https://word.ws/plural/filament. Based on Wiktionary, CC BY-SA 4.0.