alveolus
[ al-vee-uh-luhs ]SHOW IPA
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noun, plural al·ve·o·li [al-vee-uh-lahy].
a little cavity, pit, or cell, as a cell of a honeycomb.
an air cell of the lungs, formed by the terminal dilation of tiny air passageways.
one of the terminal secretory units of a racemose gland.
the socket within the jawbone in which the root or roots of a tooth are set.