| stationary phase [`stā·shǝ´ner·ē `fāz] ANALYTICAL CHEMISTRY In chromatography, the nonmobile phase contained in the chromatographic bed. MATHEMATICS A method used to find approximations to the integral of a rapidly oscillating function, based on the principle that this integral depends chiefly on that part of the range of integration near points at which the derivative of the trigonometric function involved vanishes. MICROBIOLOGY The period following termination of exponential growth in a bacterial culture when the number of viable microorganisms remains relatively constant for a time. |