Medical Dictionary



Medical Definition of BIOLOGICAL

:  of or relating to biology or to life and living processes
:  used in or produced by applied biology
:  related by direct genetic relationship rather than by adoption or marriage <an adoptee who searched for years for her biological parents>
bi·o·log·i·cal·ly \-i-k(ə-)lē\ adverb

Variants of BIOLOGICAL

biological also biologic
July 01, 2015
precarious Hear it
not certain, secure, or steady
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