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Definition of alveolus noun from the Oxford Advanced Learner's Dictionary

alveolus

noun
 
/ælˈviːələs/,
 
/ˌælviˈəʊləs/
 
/ælˈviːələs/
(plural alveoli
 
/ælˈviːəlaɪ/,
 
/ælˈviːəliː/,
 
/ˌælviˈəʊlaɪ/,
 
/ˌælviˈəʊliː/
 
/ælˈviːəlaɪ/,
 
/ælˈviːəliː/
)
(anatomy)
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  1. one of the many small spaces in each lung where gases can pass into or out of the blood
    Word Originlate 17th cent.: from Latin, ‘small cavity’, diminutive of alveus.
See alveolus in the Oxford Advanced American Dictionary
Check pronunciation: alveolus

Nearby words

era
noun
 
 
From the Topic
History
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