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pretreatment

American  
[pree-treet-muhnt] / priˈtrit mənt /

noun

plural

pretreatments

  1. a preliminary course of treatment; the application of a process, substance, etc., beforehand.

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.