DICT.TW Dictionary Taiwan
Al·ve·o·lus n.; pl. Alveoli
1. A cell in a honeycomb.
2. Zool. A small cavity in a coral, shell, or fossil
3. Anat. 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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alveolus
n 1: a tiny sac for holding air in the lungs; formed by the
terminal dilation of tiny air passageways [syn: air sac,
air cell]
2: a bony socket in the alveolar ridge that holds a tooth [syn:
tooth socket]
[also: alveoli (pl)]