IPA: //ˌbaɪ.oʊˈæk.tɪ.vɪ.ti//
KK: /baɪoʊˈæktɪvɪti/
The effect that a substance has on living organisms or tissues.
The bioactivity of the new drug was tested on various cell cultures.
Bioactivity → It is formed from "bio-" (from Greek "bios", meaning life) and "activity" (from Latin "activitas", meaning the state of being active). The word "bioactivity" refers to the activity or effects of a substance on living organisms.
Think of 'bio-' meaning 'life' and 'activity' meaning 'being active' — together, they help you remember that bioactivity refers to how a substance affects living things.