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Usage note
The plural of "alveolus" is "alveoli."
A noun is a word referring to a person, animal, place, thing, feeling or idea (e.g. man, dog, house).
1. (anatomy)
a. el alvéolo
(m) means that a noun is masculine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
The mammalian respiratory system has millions of alveoli.El sistema respiratorio de un mamífero tiene millones de alvéolos.
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alveolus [ælˈvɪələs]
alveoli (plural) [ælˈvɪəlaɪ] alvéolo (m); alveolo (m)
Collins Complete Spanish Electronic Dictionary © HarperCollins Publishers 2011
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