Meaning of the word alveoli in English

What does alveoli mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

alveoli

US /ælˈviːəlaɪ/
UK /ælˈviː.ə.laɪ/
"alveoli" picture

Plural Noun

any of the many tiny air sacs of the lungs which allow for rapid gaseous exchange.

Example:
Oxygen diffuses from the alveoli into the bloodstream.
The lungs contain millions of tiny alveoli.