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1. (n.) alveolus
a little cavity, pit, or cell, as a cell of a honeycomb.
2. alveolus
any of the tiny bunched air sacs at the ends of the bronchioles of the lungs.
3. alveolus
the socket within the jawbone in which the root or roots of a tooth are set.
Etymology: (1700–10; < L, =alve(us) concave vessel +-olus -ole1)
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| Definition of 'alveolus' |
Princeton's WordNet |
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1. (noun) alveolus, air sac, air cell
a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways
2. (noun) tooth socket, alveolus
a bony socket in the alveolar ridge that holds a tooth
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| Definition of 'alveolus' |
Webster Dictionary |
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1. (noun) alveolus
a cell in a honeycomb
2. (noun) alveolus
a small cavity in a coral, shell, or fossil
3. (noun) alveolus
a small depression, sac, or vesicle, as the socket of a tooth, the air cells of the lungs, the ultimate saccules of glands, etc
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