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assay

Pronunciation: as′sā, ă-sā′

Definition:

  1. The quantitative or qualitative evaluation of a substance for impurities, toxicity, or other characteristics; the results of such an evaluation.
  2. To examine; to subject to analysis.
  3. Test of purity; trial.

[M.E., fr. O.Fr. essaier, fr. L.L. exagium, a weighing]

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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