biological: Meaning and Definition of
bi•o•log•i•cal
Pronunciation: (bī"u-loj'i-kul), [key] — adj.
- pertaining to biology.
- of or pertaining to the products and operations of applied biology: a biological test.
—n. - any substance, as a serum or vaccine, derived from animal products or other biological sources and used to treat or prevent disease.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.