an expert estimation of the quality, quantity, and other characteristics of someone or something | 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. |
the classification of someone or something with respect to its worth | an appraisal of the state of affairs |
a document appraising the value of something (as for insurance or taxation) | a written report of the results of an analysis of the composition of some substance |
| a substance that is undergoing an analysis of its components |