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preprocessor

American  
[pree-pros-es-er, -uh-ser, -proh-ses-er, -suh-ser] / ˈpriˌprɒs ɛs ər, -ə sər, -ˌproʊ sɛs ər, -sə sər /

noun

Computers.

  1. a program that performs some type of processing, as organization of data or preliminary computation, in advance of another program that will perform most of the processing.

Etymology

Origin of preprocessor

First recorded in 1965–70; pre- + processor

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.