Area Under Curve

**Semantic type:** Qualitative Concept

**Definition:** The area between the x-axis and the curve given by the integrand. It is equal to the definite integral of a function. In the field of pharmacokinetics, the area under the curve (AUC) is the area under the curve in a plot of concentration of a drug in plasma against time. AUC is usually given for the time interval zero to infinity, and other time intervals are indicated.

**Synonyms:** - AUC - AUC - {AUC} - {AUC}