Definition of air bladder Air bladder
air blad•der
We found 5 definitions of air bladder from 4 different sources.
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What does air bladder mean?
WordNet
Noun |
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| air bladder - an air-filled sac near the spinal column in many fishes that helps maintain buoyancy | ||
| swim bladder, float | ||
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Wiktionary 
Webster DictionaryWebster's Unabridged Dictionary 📘
- air bladder
An air sac, sometimes double or variously lobed, in the visceral cavity of many fishes. It originates in the same way as the lungs of air-breathing vertebrates, and in the adult may retain a tubular connection with the pharynx or esophagus. - air bladder
A sac or bladder full of air in an animal or plant; also an air hole in a casting.
OmegaWiki DictionaryOmegaWiki Dictionary Ω
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air bladder
Internal organ filled with air with which fish can control their buoyancy.
