• word of the day

    alveolus

    alveolus - Dictionary definition and meaning for word alveolus

    Definition
    (noun) a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways
    Synonyms : air cell , air sac
    Definition
    (noun) a bony socket in the alveolar ridge that holds a tooth
    Synonyms : tooth socket
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