Main entry: assay
Definition: 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.
Definition: an appraisal of the state of affairs
Usage: they made an assay of the contents; a check on its dependability under stress
Main entry: assay
Definition: a written report of the results of an analysis of the composition of some substance
Main entry: assay
Definition: a substance that is undergoing an analysis of its components
Main entry: assay
Definition: analyze (chemical substances)
Main entry: essay, seek, assay, attempt, try
Definition: make an effort or attempt
Usage: He tried to shake off his fears; 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