parallel, networking, tool (PVM) 1. A software system designed to allow a network of heterogeneous machines to be used as a single distributedparallel processor. PVM was developed by the University of Tennessee, The Oak Ridge National Laboratory and the Emory University. (https://epm.ornl.gov/pvm/). Usenet newsgroup: news:comp.parallel.pvm. 2. The intermediate language used by the Gambit compiler for Scheme. [And Multilisp?] (1995-01-30)