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Noun: blue whale  bloow-eyl
  1. Largest mammal ever known; bluish-grey migratory whalebone whale mostly of Southern Hemisphere
    - sulfur bottom [N. Amer], Balaenoptera musculus, sulphur bottom [Brit, Cdn]

Derived forms: blue whales

Type of: baleen whale, whalebone whale

Part of: Balaenoptera, genus Balaenoptera

Encyclopedia: Blue whale

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