First Known Use: 1887
Dictionary
amniote
noun am·ni·ote \ˈam-nē-ˌōt\
Definition of AMNIOTE
: any of a group (Amniota) of vertebrates that undergo embryonic or fetal development within an amnion and include the birds, reptiles, and mammals
— amniote adjective
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Origin of AMNIOTE
New Latin Amniota, from amnion
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