Medical Dictionary
1assay
noun as·say \ˈas-ˌā, a-ˈsā\
Medical Definition of ASSAY
1
: examination and determination as to characteristics (as weight, measure, or quality)
2
: analysis (as of a drug) to determine the presence, absence, or quantity of one or more components—compare bioassay
3
: a substance to be assayed; also : the tabulated result of assaying
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