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bioassay
[ noun bahy-oh-uh-sey, -as-ey; verb bahy-oh-uh-sey ]
noun
- determination of the biological activity or potency of a substance, as a vitamin or hormone, by testing its effect on the growth of an organism.
verb (used with object)
, bi·o·as·sayed, bi·o·as·say·ing.
- to subject to a bioassay.
bioassay
noun
- 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
verb
- tr to subject to a bioassay
bioassay
/ bī′ō-ăs′ā′,-ă-sā′ /
- Determination of the relative purity of a substance, such as a drug or hormone, by comparing its effects with those of a standard preparation on a culture of living cells or a test organism.
- A test used to determine such purity.
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Word History and Origins
Origin of bioassay1
First recorded in 1910–15; bio(logical) + assay
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