air bladder

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English

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Noun

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air bladder (plural air bladders)

  1. An internal organ that fish use to control their buoyancy, allowing them to maintain or change depth by changing their density.
    Synonyms: fish maw, gas bladder, swim bladder
  2. A type of packing material that consists of an airtight bag full of air, used to cushion fragile items.
    • 2019 November 21, Samanth Subramanian, “How our home delivery habit reshaped the world”, in The Guardian[1]:
      The company used to be notorious for excessive packaging, and social media grew littered with examples: three pairs of socks wrapped in puffy air bladders []

Translations

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