From The Free On-line Dictionary of Computing (19 January 2023):
PAL
1. <language> Paradox Application Language.
2. For the AVANCE distributed persistent operating
system.
["PAL Reference Manual", M. Ahlsen et al, SYSLAB WP-125,
Stockholm 1987].
["AVANCE: An Object Management System", A. Bjornerstedt et al,
SIGPLAN Notices 23(11):206-221 (OOPSLA '88) (Nov 1988)].
[What is it?]
3. <language> An object-oriented Prolog-like language.
["Inheritance Hierarchy Mechanism in Prolog", K. Akama, Proc
Logic Prog '86, LNCS 264, Springer 1986, pp. 12-21].
4. <language> PDP Assembly Language.
5. <language> Pedagogic Algorithmic Language.
6. <hardware, integrated circuit> Programmable Array Logic.
7. <television> phase alternating line.
(2001-04-02)