bi·o·log·ic 
(bī′ə-lŏjĭk)
(bī′ə-lŏjĭk)n.
A preparation that is synthesized from living organisms or their products, especially a human or animal protein, such as a hormone or antitoxin, that is used as a diagnostic, preventive, or therapeutic agent. Also called biological drug.
adj.
Variant of biological.