Air bladder
Air bladder noun - An air-filled sac near the spinal column in many fishes that helps maintain buoyancy.
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Synonyms for Air bladder
Sac and air bladder are semantically related. In some cases you can use "Sac" instead a noun phrase "Air bladder".
Sac
Sac noun - An enclosed space.
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Synonyms for Sac
Air bladder and sac are semantically related. Sometimes you can replace phrase "Air bladder" with "Sac", this terms are similar.
Mutual synonyms
Cite this Source
Sac and Air bladder. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/air_bladder/sac
Air bladder & Sac. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/air_bladder/sac>.
Sac or Air bladder. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/air_bladder/sac.
Google Ngram Viewer shows how "air bladder" and "sac" have occurred on timeline