1. the ability of a substance to have an effect on living tissue or organisms
Usage: scientific; medical

Examples

• The researchers tested the bioactivity of the new compound on cancer cells.
• Plants contain many chemicals with significant bioactivity.
• The drug’s bioactivity was reduced when stored at high temperatures.
• Scientists are studying the bioactivity of marine organisms for potential medicines.
• The extract showed strong antimicrobial bioactivity in laboratory tests.
• Measuring bioactivity helps determine a substance’s therapeutic potential.