Medical Dictionary
Viperidae
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noun plural
Vi·per·i·dae
\vī-ˈper-ə-ˌdē\
Medical Definition of Viperidae
: a widely distributed family comprising heavy-bodied venomous snakes that include Old World snakes (subfamily viperinae) and the pit vipers (subfamily Crotalinae) and that are characterized by large tubular venom-conducting fangs erected by rotation of the movable premaxillae—compare crotalidae
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