diapsid

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adjective di·ap·sid \dī-ˈap-səd\

Definition of diapsid

  1. :  of, relating to, or including reptiles (such as the crocodiles) with two pairs of temporal openings in the skull

Origin and Etymology of diapsid

ultimately from Greek di- + hapsid-, hapsis loop, arch — more at apsis


First Known Use: circa 1909


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