Langimage
English

alveoli

|al-ve-o-li|

C1

/ælˈviːəˌlaɪ/

(alveolus)

small cavity

Base FormPlural
alveolusalveoli
Etymology
Etymology Information

'alveolus' originates from Latin, specifically the word 'alveolus,' where 'alveus' meant 'cavity' or 'hollow.'

Historical Evolution

'alveolus' changed from the Latin word 'alveolus' and eventually became the modern English word 'alveolus.'

Meaning Changes

Initially, it meant 'small cavity,' but over time it evolved into its current meaning of 'tiny air sacs in the lungs.'

Meanings by Part of Speech

Noun 1

tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place.

The alveoli are crucial for efficient breathing.

Synonyms

Last updated: 2025/07/06 20:36