1) Affecting living tissue 
Referring to a substance that can be acted upon by a living organism or by an extract from a living organism. ... (05 Mar 2000) ... 
(bi″o-ak´tiv) having an effect on or eliciting a response from living tissue.
Type: Term Pronunciation: bī′ō-ăk′tiv Definitions: 1. Referring to a substance that can be acted on by a living organism or by an extract from a living organism.
Bioactive: Having an effect upon a living organism, tissue, or cell. Biologically active. Antibiotic, enzymes, and vitamins are all bioactive substances.
bioactive Referring to a substance that can be acted upon by a living organism or by an extract from a living organism.