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. | an obstacle on a golf course |
an appraisal of the state of affairs | an unknown and unpredictable phenomenon that causes an event to result one way rather than another |
a written report of the results of an analysis of the composition of some substance | a source of danger; a possibility of incurring loss or misfortune |
a substance that is undergoing an analysis of its components | |