1. Test of purity; trial.
2. To examine; to subject to analysis.
3. The quantitative or qualitative evaluation of a substance for impurities, toxicity, etc; the results of such an evaluation.
Origin
[M.E., fr. O.Fr. essaier, fr. L>L> exagium, a weighing]
Ames assay
biological assay
clonogenic assay
competitive binding assay
complement binding assay
double antibody sandwich assay
EAC rosette assay
enzyme-linked immunosorbent assay
Grunstein-Hogness assay
hemizona assay
immunochemical assay
immunoradiometric assay
indirect assay
Lowry-Folin assay
Lowry protein assay
radioreceptor assay
Raji cell radioimmune assay