The Collaborative International Dictionary of English v.0.48:
Biotic \Bi*ot"ic\, a. [Gr. biwtiko`s pert. to life.] 1. (Biol.) Relating to life; as, the biotic principle. [1913 Webster] 2. produced by or caused by living things. [PJC]WordNet (r) 3.0 (2006):
biotic adj 1: of or relating to living organisms