filament
/ˈfɪləmənt/noun
filament is spelled F-I-L-A-M-E-N-T. The wrong spelling people search most is filiment: about 240 Bing searches a month in the United States (September 2025 to August 2026), about 1 in 32 of all searches for the word. Filament is a noun meaning “A fine thread or wire”. The plural of filament is filaments.
How many letters and syllables are in filament?
| Letters | 8: F-I-L-A-M-E-N-T |
|---|---|
| Syllables | 3 (from its American pronunciation) |
| In writing | 1.2 times per million words; the 25,751st most frequent word form |
| Wrong spellings searched | 2; the most searched, filiment, about 240 Bing searches a month (all of them) |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026).
How do you spell filament?
Filament is spelled F-I-L-A-M-E-N-T. 2 wrong spellings are searched or written often enough to measure; together they are about 1 in 31 of the searches for filament in either form.
Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026). Wrong spellings are taken from Wiktionary entries tagged "misspelling" and its obsolete or nonstandard forms, Wikipedia's Lists of common misspellings and the codespell dictionary, then measured. The proofreader's marks show the change that corrects each one.
How common is filament?
Filament appears 1.2 times per million words in written English, the 25,751st most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce filament?
- /ˈfɪləmənt/
Filament has 3 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-filament.wav, Wikimedia Commons (author and licence on each file's page).
Forms of filament
- filaments plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does filament mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A fine thread or wire.
- 2
Such a wire, as can be heated until it glows, in an incandescent light bulb or a thermionic valve.
- 3
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.
solar filament
- 4
The stalk of a flower stamen, supporting the anther.
- 5
A continuous object, limited in length only by its spool, and not cut to length.
- 6
A spool of plastic used as a material for 3D-printed objects.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Filament in Spanish, French, German and Portuguese
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does filament come from?
Borrowed from Medieval Latin fīlāmentum, from Late Latin fīlō (“to spin, draw out in a long line”), from Latin fīlum (“thread”).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).