aero-

• aer- (before a vowel)
• aëro- (rare)

From Ancient Greek ἀέρος (aéros), the genitive singular of ἀήρ (aḗr, “air”).

• Audio (Southern England):

  (file)

aero-

1. air or aircraft

• areo-, Eora, OAer, oare

• IPA^(key): (Central) [əˌe.ɾu]
• IPA^(key): (Balearic) [əˌe.ɾo]
• IPA^(key): (Valencia) [aˌe.ɾo]

aero-

1. aero-

• “aero-”, in Diccionari de la llengua catalana [Dictionary of the Catalan Language] (in Catalan), second edition, Institute of Catalan Studies [Catalan: Institut d'Estudis Catalans], April 2007

Internationalism (see English aero-).

• IPA^(key): /ˈɑero-/, [ˈɑ̝e̞ro̞-]

aero-

1. (in loanwords) aero-

• eroa

• aer- (before a vowel)

From Ancient Greek ἀέρος (aéros), the genitive singular of ἀήρ (aḗr, “air”).

aero-

1. aero-

• “aero-” in Digitales Wörterbuch der deutschen Sprache
• “aero-” in Duden online

From Ancient Greek ἀέρος (aéros), the genitive singular of ἀήρ (aḗr, “air”).

• (Standard Indonesian) IPA^(key): /aˈero/ [aˈe.ro]
• Rhymes: -ero
• Syllabification: a‧e‧ro-

aéro

1. related to air or aircraft

• “aero-”, in Kamus Besar Bahasa Indonesia [Great Dictionary of the Indonesian Language] (in Indonesian), Jakarta: Agency for Language Development and Cultivation – Ministry of Education, Culture, Research, and Technology of the Republic of Indonesia, 2016

Borrowed from Ancient Greek ἀέρος (aéros), the genitive singular of ἀήρ (aḗr, “air”).

aero-

1. aero-

• areo-

Derived from Ancient Greek ᾱ̓ήρ (āḗr).

• IPA^(key): /a.ɛ.rɔ/

• Audio:

  (file)

• Rhymes: -aɛrɔ
• Syllabification: a‧e‧ro-

aero-

1. aero-

   ‎aero- + ‎klub → ‎aeroklub

• awio-, atmo-

• aero- in Polish dictionaries at PWN

From Ancient Greek ἀέρος (aéros), the genitive singular of ἀήρ (aḗr, “air”). Doublet of ar.

aero-

1. aero- (denoting air)
2. aero- (denoting aircraft)

• “aero-”, in Dicionário Aulete Digital (in Portuguese), Rio de Janeiro: Lexikon Editora Digital, 2008–2026
• “aero-”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026

Borrowed from French aéro-, from Ancient Greek ἀέρος (aéros), the genitive singular of ἀήρ (aḗr, “air”). By surface analysis, aer +‎ -o-.

aero-

1. aero-

• “aero”, in DEX online—Dicționare ale limbii române (Dictionaries of the Romanian language) (in Romanian), 2004–2026

From Ancient Greek ἀέρος (aéros), the genitive singular of ἀήρ (aḗr, “air”).

aero-

1. aero-

• “aero-”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025