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amniote Syllabification: am·ni·ote
Pronunciation: /ˈamnēˌōt/

Definition of amniote in English:


An animal whose embryo develops in an amnion and chorion and has an allantois; a mammal, bird, or reptile.
Example sentences
  • Vertebral counts in modern amniotes, amphibians, and fish, can vary due to environment or change with growth.
  • The sequence from the early amniotes to the early mammals is the most fully documented of the major transitions in vertebrate evolution.
  • The ancestral amniotes were small animals, superficially resembling primitive, insectivorous lizards.


Late 19th century: from modern Latin Amniota, back-formation from amniotic (see amnion).

Definition of amniote in:
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