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PL/1

[pee-el-wuhn]
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noun
  1. Computers. a high-level programming language that is designed for solving problems in science and engineering as well as in business data processing.
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Origin of PL/1

P(rogramming) L(anguage)/1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for pl/1

PL/1

noun
  1. programming language 1: a high-level computer programming language designed for mathematical and scientific purposes
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Word Origin

C20: p (rogramming) l (anguage) 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012