assay - noun

an appraisal of the state of affairs

a substance that is undergoing an analysis of its components

a written report of the results of an analysis of the composition of some substance

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.

assay - verb

• analyze (chemical substances)
• make an effort or attempt

assay - thesaurus

attempt   check   essay   seek   try