aer
[ˈaː.eːr]masculine
The Latin word for air is aer.
aer is a common term for air and the general word for atmosphere in Latin.
Meaning: mixture of gases making up the atmosphere of the Earth (noun)
Which one should you use?
While aer is the standard masculine term, the feminine form aura can also be used.
How does it change in a sentence?
aer follows third declension patterns. The genitive singular form, meaning "of the air", is aeris. The nominative plural form is aera. When used after the preposition in to indicate a location within the air, the ablative singular form aere is used.
Did you know?
- In scientific Latin texts, aer is distinguished from aether, which refers to the pure, glowing air breathed by gods in the highest heavens.
- The word aer shares an ancient linguistic root with the Greek word for dawn, suggesting that the very early morning light was once conceptually linked to the air and the atmosphere.
- The word aer was not originally Latin but was borrowed from the Ancient Greek word āḗr.
Examples in context
- Aer in Luna non est.There is no air on the moon.This sentence shows how to express the absence of aer on the moon.Tatoeba #1398684 by alexmarcelo, translation #238802 by CK
- Aves in aere volant.Birds are flying in the air.This sentence illustrates the use of aer to describe birds flying.Tatoeba #1545540 by alexmarcelo, translation #278163 by CK
- Nubes pendent in aere.Clouds hang in the air.This sentence demonstrates how clouds are positioned within the aer.Tatoeba #7137663 by jimkillock, translation #7137664 by jimkillock
- aer quo spiramusThe air we breathe
- aura marisSea breeze
- Aer est recensThe air is fresh
- Ventus susurrat in aereThe wind whispers in the air
- Aura maris me delectatI love the sea breeze
- 19 more sentences on Tatoeba
Example conversation
Lucius and Julia are talking about the weather.
- LuciusAer hodie est frigidus.The air is cold today.
- JuliaIta, frigus sentimus.Yes, we feel the cold.
- LuciusVisne ambulare in aere puro?Do you want to walk in the fresh air?
- JuliaIta, Luci, id optimum consilium est.Yes, Lucius, that is a great idea.
Sources
- Wiktionary, “air” translations and entries aer, CC BY-SA 4.0, dump of 2026-09-26.
- Word origins: Wiktionary entries aer, CC BY-SA 4.0.
- Example sentences: Tatoeba CC BY 2.0 FR.
