amphibia definition

  • noun:
    • Plural type of amphibian.
    • the course of vertebrates that survive land but breed in water; frogs; toads; newts; salamanders; caecilians
  • noun-plural:
    • one of several classes of vertebrates.
  • others:
    • In popular language, animals living both on land plus the water; those that voluntarily and habitually enter that element, though not able to inhale under water, such frogs, turtles, crocodiles, seals, walruses, otters, beavers, hippopotami, etc.
    • [capitalized] In zoöl., a name variously utilized.

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