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]

Source: The Collaborative International Dictionary of English v.0.48
 

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]

Source: WordNet (r) 2.0
 

Biologic \Bi`o*log"ic\, Biological \Bi`o*log"ic*al\, a. Of or relating to biology. -- Bi`o*log"ic*al*ly, adv.

Source: Webster's Revised Unabridged Dictionary (1913)