air bladder (0 synonym found)
Definition of air bladder:

(n) : An internal organ that fish use to control their buoyancy, allowing them to maintain or change depth by changing their density.
(n) : A type of packing material that consists of an airtight bag full of air, used to cushion fragile items.
Definition of air bladder:

(n) : An internal organ that fish use to control their buoyancy, allowing them to maintain or change depth by changing their density.
(n) : A type of packing material that consists of an airtight bag full of air, used to cushion fragile items.
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