IPA: //ˌbaɪ.oʊˈæ.seɪ//
KK: /baɪoʊˈæseɪ/
A method used to measure the strength or activity of a substance, like a drug, by comparing its effects on a living organism to a known standard.
The researchers conducted a bioassay to evaluate the effectiveness of the new medication.
To test a substance's effects on living organisms by measuring its biological activity.
The researchers decided to bioassay the new drug to determine its effectiveness.
Past: bioassayed
Past Participle: bioassayed
Bioassay → It is formed from "bio-" (from Greek "bios", meaning life) and "assay" (from Old French "assayer", meaning to test or try). The word "bioassay" refers to a test that measures the effects of a substance on living organisms.
Think of 'life' ('bio-') being 'tested' ('assay') to remember that a bioassay is a test involving living organisms.
No commonly confused words.