Source : Free On-Line Dictionary of Computing

Process and Experiment Automation Real-Time Language
     
         (PEARL) A {real-time} language for programming
        {process control} systems, widely used in Europe.  Size and
        complexity exceeds {Ada}.  Defined in {DIN} 66253 Teil 2.
     
        ["Programmiersprache PEARL", Beuth-Verlag, Nov 1980].
     
        (2000-08-16)