MPL
1. <language> An early possible name for PL/I.
[Sammet 1969, p.542].
2. MasPar data-parallel version of C. See also ampl.
3. Motorola Programming Language. A low-level PL/I-like language, similar to PL/M, but for the Motorola 6800.
4. MicroProgramming Language. Simple language for microprogramming. Statements on the same line represent register transfers caused by one microinstruction, and are executed in parallel.
["Structured Computer Organization", A.S. Tanenbaum, First Edition, P-H 1976. (Replaced in later editions by Mic-1)].