a cell in a honeycomb
- a small sac for keeping atmosphere into the lungs; created because of the terminal dilation of tiny atmosphere passageways
- a bony socket inside alveolar ridge that keeps a tooth
- A cell in a honeycomb.
- A small cavity in a coral, shell, or fossil
- a little depression, sac, or vesicle, because the plug of a enamel, the atmosphere cells of this lungs, the ultimate saccules of glands, etc.
a little atmosphere sac into the lungs. Plural alveoli.
1706, from Latin alveolus "a tray, trough, basin; sleep of a tiny lake," diminutive of alvus "belly, stomach, paunch, bowels; hold of a ship," from PIE *aulo- "hole, cavity" (cognates: Greek aulos "tube, pipeline," Old Church Slavonic uliji, Lithuanian aulys "beehive" (hollow trunk), Armenian yli "pregnant").
(n.) A cell in a honeycomb.
- (letter.) A little hole in a coral, layer, or fossil
- (letter.) A small despair, sac, or vesicle, while the plug of a tooth, the air cells of this lung area, the ultimate saccules of glands, etc.