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assay British & World English

The testing of a metal or ore to determine its ingredients and quality

assay English Thesaurus

new plate was taxed when it was brought for assay

assay office British & World English

An establishment for the assaying of ores and metals

biological assay British & World English

Measurement of the concentration, potency, or other properties of a substance by its qualitative or quantitative effect on living cells or organisms.

radioreceptor assay in radioreceptor British & World English

Biology and Medicine. Designating a method of studying and measuring a biologically active substance and its cellular receptors using a radiolabelled form of the substance, typically involving competitive binding between the radiolabelled and unlabelled forms; of or relating to such a technique. Especially in radioreceptor assay.