n.
1.an appraisal of the state of affairs
2.a substance that is undergoing an analysis of its components
3.a written report of the results of an analysis of the composition of some substance
4.a quantitative or qualitative test of a substance (especially an ore or a drug) to determine its components assay v.
1.analyze (chemical substances)
2.make an effort or attempt
Idiom of the Day
go down in history
to be remembered as an important historical event
The concert will go down in history as the biggest in the world.