air bladder
air bladder · air bladders
An internal organ that fish use to control their buoyancy, allowing them to maintain…An internal organ that fish use to control their buoyancy, allowing them to maintain or change depth by changing their density.
Meaning
2 sensesAn internal organ that fish use to control their buoyancy, allowing them to maintain or change depth by changing their density.
A type of packing material that consists of an airtight bag full of air, used to cushion fragile items.
More definitions
- an air-filled sac near the spinal column in many fishes that helps maintain buoyancy
Forms
plural: air bladders| Singular | air bladder |
|---|---|
| Plural | air bladders |
regular
Synonyms
4 synonymsgas bladderswim bladderfish maw
Close in meaning
- an air-filled sac near the spinal column in many fishes that helps maintain buoyancy:swim bladderfloat