Main Entry: biological

Variant(s): also biologic

Function: adjective

1 : of or relating to biology or to life and living processes
2 : used in or produced by applied biology
3 : 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