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assay

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assay

Main Entry:: ¹as·say
Pronunciation:: \ˈa-ˌsā, a-ˈsā\
Function:: noun
Etymology:: Middle English, from Anglo-French assai, essai — more at essay
Date:: 14th century

1archaic : trial , attempt2: examination and determination as to characteristics (as weight, measure, or quality)3: analysis (as of an ore or drug) to determine the presence, absence, or quantity of one or more components ; also : a test used in this analysis4: a substance to be assayed ; also : the tabulated result of assaying

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