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noun
A tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways.
synonyms: air sac, alveolus.
is a specific kind of: sac.
is a part of: lung.
derivation: alveolate, cavitied, faveolate, honeycombed, pitted.
Dutch: alveole, blaasje, longblaasje
Find more on air cell elsewhere: etymology - rhymes - Wikipedia.
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