aero
/ˈɛəɹəʊ/adjective, noun
aero is an adjective meaning “Of or pertaining to aviation” (English Wiktionary, September 2026). It is spelled A-E-R-O and has 2 syllables, and it appears 2.1 times per million words in written English (wordfreq, 2021 data).
What does aero mean?
adjective
- 1
Of or pertaining to aviation.
We've seen a lot of growth in the aero sector.
- 2
Aerodynamic; having an aerodynamic appearance.
It's a very aero design, with smooth lines.
noun
- 1
slangAerodynamics.
- 2
datedinformalAn airplane or airship.
- 3
Aerospace.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How do you pronounce aero?
- /ˈɛəɹəʊ/
Aero 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). Recordings: LL-Q1860_(eng)-Vealhurl-aero-.wav, En-au-aero.ogg, Wikimedia Commons (author and licence on each file's page).
Forms of aero
- aer-
- aëro-
- more aero comparative
- most aero superlative
- aeros plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is aero?
Aero appears 2.1 times per million words in written English, the 18,811th 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).
Aero in Spanish, French, German and Portuguese
In the sense air; aircraft:
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 aero come from?
Back-formation from aero- (prefix), from Ancient Greek ἀέρος (aéros).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).