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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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n. - Class of cold-blooded air-breathing vertebrates with completely ossified skeleton and a body usually covered with scales or horny plates.

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Usage examples (35)
  • In cladistics, Aves is nested in Reptilia through Diapsida.
  • You attempted to use Reptilia and Aves as an counter example but you failed because Reptilia is not a clade.
  • Because Reptilia is not a clade, your counter argument falls apart: we do not expect a nested hierarchy in this group.
  • It was properly defined as Reptilia + an obscure fossil group called Mesosauridae.
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The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.