a technique for determining the power of a drug or other substance by measuring its effects on a test specimen against those of a standard substance
Origin of bioassaybio- + assay
- Determination of the strength or biological activity of a substance, such as a drug, by comparing its effects with those of a standard preparation on a test organism.
- A test used to determine such strength or activity.
transitive verbbi·o·as·sayed, bi·o·as·say·ing, bi·o·as·says
To cause to undergo a bioassay.
bio- + assay