English Explanatory Dictionary

air bladder

English dictionary entry

Meanings

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

Word forms

air bladder air bladders

Synonyms

fish maw gas bladder swim bladder
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