|1.||a method of determining the concentration, activity, or effect of a change to substance by testing its effect on a living organism and comparing this with the activity of an agreed standard|
|2.||(tr) to subject to a bioassay|
bioassay bi·o·as·say (bī'ō-ās'ā', -ā-sā')
Determination of the strength or biological activity of a substance, such as a drug or hormone, by comparing its effects with those of a standard preparation on a test organism.
A test used to determine such strength or activity.