bi·o·as·say (b   - s  , --s)n. 1. 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. 2. A test used to determine such strength or activity. tr.v. bi·o·as·sayed, bi·o·as·say·ing, bi·o·as·says To cause to undergo a bioassay. |
| bioassay (b-s, --s) 1. 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. 2. A test used to determine such purity. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | bioassay - appraisal of the biological activity of a substance by testing its effect on an organism and comparing the result with some agreed standard assay - a quantitative or qualitative test of a substance (especially an ore or a drug) to determine its components; frequently used to test for the presence or concentration of infectious agents or antibodies etc. immunoassay, immunochemical assay - identification of a substance (especially a protein) by its action as an antigen; "PSA in the blood can be measured with an immunochemical assay" pregnancy test - a physiological test to determine whether a woman is pregnant |
| Verb | 1. | bioassay - subject to a bio-assay assay - analyze (chemical substances) |
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