assay

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assay[1,noun] assay[2,transitive verb] enzyme-linked immunosorbent assay immunoradiometric assay microcytotoxicity test radioreceptor assay

Main Entry: ¹as·say
Pronunciation: as-, a-s
Function: noun
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