Definition of Assay
Assay: An assay is an analysis done to determine:
Assay is also used as a verb and has several related meanings in this role:
The words "assay" and "essay" are often confounded, a cardinal sin according to some word mavens. However, "assay" and "essay" share a common ancestry. Both words come from the French "essai" which in turn came from the Late Latin "exagium" meaning the "act of weighing".Source: MedTerms™ Medical Dictionary
Last Editorial Review: 8/28/2013
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