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
supply and demand
the availability of something compared to the need or demand for something
The supply and demand for used sporting equipment is always very tight.