1. An expression-based language developed by J.C. Cleaveland in 1978. 2. A string-processing language with single-character commands from Tandem Computers. 3. A language for system specification of simulation execution. ["System Description and the DELTA Language", E. Holback-Hansen et al, DELTA Proj Rep 4, Norweg Comput Ctr, Feb 1977]. 4. A COBOL generating language produced by {Delta Software Entwicklung GmbH (http://www.delta-software.de/)}. (2000-08-02)