English dictionary
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English noun: air sac | |||
| 1. | air sac (body) a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways | ||
| Synonyms | air cell, alveolus | ||
| Broader (hypernym) | sac | ||
| Part meronym | lung | ||
| 2. | air sac (animal) any of the thin-walled extensions of the tracheae of insects | ||
| Broader (hypernym) | sac | ||
| Part meronym | insect | ||
| 3. | air sac (animal) any of the membranous air-filled extensions of the lungs of birds | ||
| Broader (hypernym) | sac | ||
| Part meronym | bird | ||
Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
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Web design: Orcapia v/Per Bang. English edition: .
2024 onlineordbog.dk