measured value

in analysis
https://doi.org/10.1351/goldbook.M03793
The observed value of @W06668@, volume, meter-@R05189@ or other quantity, found in the analysis of a material.
Source:
PAC, 1994, 66, 595. (Nomenclature for the presentation of results of chemical analysis (IUPAC Recommendations 1994)) on page 597 [Terms] [Paper]