airfoil
noun
airfoil is spelled A-I-R-F-O-I-L: 7 letters and 2 syllables. It appears about once in every 4 million words in written English, the 58,714th most frequent word form (wordfreq, 2021 data). As a noun, airfoil means “A structure shaped to produce lift when moving in air” (English Wiktionary, September 2026). The plural of airfoil is airfoils.
How many letters and syllables are in airfoil?
| Letters | 7: A-I-R-F-O-I-L |
|---|---|
| Syllables | 2 (from its American pronunciation) |
| In writing | about once in every 4 million words; the 58,714th most frequent word form |
| Wrong spellings searched | none measured in search |
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).
How common is airfoil?
Airfoil appears about once in every 4 million words in written English, the 58,714th 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 airfoil?
Airfoil has 2 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).
Forms of airfoil
- airfoils plural
- aerofoil UK
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does airfoil mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
CanadaUSA structure shaped to produce lift when moving in air.
- 2
CanadaUSA wing of an aircraft.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Airfoil in Spanish, French, German and Portuguese
In the sense structure shaped to produce lift when moving in air:
| Language | Words |
|---|---|
| French | profil d'aile |
| German | Tragflächenprofil |
| Portuguese | aerofólio |
| Spanish | perfil alar, perfil aerodinámico, perfil |
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 airfoil come from?
From air + foil.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).