bioassay
[ noun bahy-oh-uh-sey, -as-ey; verb bahy-oh-uh-sey ]
/ noun ˌbaɪ oʊ əˈseɪ, -ˈæs eɪ; verb ˌbaɪ oʊ əˈseɪ /
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.
Origin of bioassay
First recorded in 1910–15;
bio(logical) +
assay
Words nearby bioassay
British Dictionary definitions for bioassay
bioassay
noun (ˌbaɪəʊəˈseɪ, -ˈæseɪ)
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 (ˌbaɪəʊəˈseɪ)
(tr)
to subject to a bioassay
Medical definitions for bioassay
bioassay
[ bī′ō-ăs′ā′, -ă-sā′ ]
n.
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.
v.
To cause to undergo a bioassay.
biologic assay
Scientific definitions for 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.