Quality assessment: The procedure for determining the quality of laboratory measurements using data from internal and external quality control measures. Quality assurance: A definitive plan for laboratory operation that specifies the measures used to produce data of known precision and bias. Quality assurance program: Written policies and procedures that outline how the laboratory intends to produce data of known and accepted quality. Quality control: A set of measures within a sample analysis method to assure that the process is in control. Section 3: QUALITY ASSURANCE. Quality assurance (QA) is a set of operating principles that, if strictly followed during sample collection and analysis, will produce data of known and defensible quality.
LINK / CITE ADD TO WORD LIST. noun. The definition of a sadhu is a monk or religious devotee who travels around living a simple lifestyle practicing abstinence from worldly pleasures to focus more on spiritual practice. An example of a sadhu is a yogi.
Sisyphus â the symbol of human being absurdity. Franz Stuck. In philosophy,  the Absurd  refers to the conflict between (1) the human tendency to seek inherent value and meaning in life and (2) the human inability to find any.