Definition of beaker for Students. : a cup or glass with a wide mouth and usually a lip for pouring that is used especially in science laboratories for holding and measuring liquids.
In Microsoft Windows, each environment variable's default value is stored in the Windows registry or set in the AUTOEXEC.BAT file. On Unix, a setuid program is given an environment chosen by its caller, but it runs with different authority from its caller.
Environment variables, the dynamic set of variables defined in a process; Integrated development environment, a type of software that assists computer programmers in developing software; Runtime environment, a virtual machine state which provides software services for processes or programs while a computer is running; Natural environment