from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Of or relating to a substance that has an effect on living tissue: bioactive compounds.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Of or pertaining to bioactivity
- adj. Having a biological effect
from the GNU version of the Collaborative International Dictionary of English
- adj. acting upon or influencing bodily functions; -- of chemical substances.
From biologically + active (Wiktionary)