Source: The Collaborative International Dictionary of English v.0.48
Biologic \Bi`o*log"ic\, Biological \Bi`o*log"ic*al\, a.
1. Of or relating to biology. -- Bi`o*log"ic*al*ly, adv.
[1913 Webster]
2. related by blood; -- of parents and children; --
contrasted with adoptive, adopted, or foster; as,
Mary was adopted directly from the maternity hospital and
never met her biological mother.
Syn: biologic.
[WordNet 1.5]
biological
adj 1: pertaining to biology or to life and living things [syn: biologic]
2: of parents and children; related by blood; "biological
child" [ant: adoptive]