Definition of

Assay

  1. (noun, cognition) an appraisal of the state of affairs
    a check on its dependability under stress
  2. (noun, substance) a substance that is undergoing an analysis of its components
  3. (noun, communication) a written report of the results of an analysis of the composition of some substance
  4. (noun, act) a quantitative or qualitative test of a substance (especially an ore or a drug) to determine its components; frequently used to test for the presence or concentration of infectious agents or antibodies etc.
  5. (verb, cognition) analyze (chemical substances)
  6. (verb, social) make an effort or attempt
    The infant had essayed a few wobbly steps
    The police attempted to stop the thief
    He sought to improve himself
    She always seeks to do good in the world

via WordNet, Princeton University

Synonyms of Assay

attempt, check, essay, seek, try

Origin of the word Assay

  1. early 14c., from Anglo-Fr. assaier, from assai (n.), from O.Fr. essai "trial" (see essay). more

via Online Etymology Dictionary, ©2001 Douglas Harper

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