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Medical Dictionary


adj poly·phy·let·ic \ˌpäl-i-(ˌ)fī-ˈlet-ik\

Medical Definition of POLYPHYLETIC

:  of or relating to more than one stock; specifically :  derived from more than one ancestral line
poly·phy·let·i·cal·ly \-i-k(ə-)lē\ adverb
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