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.

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Etymology

Origin of preprocessor

First recorded in 1965–70; pre- + processor