Definition of "pretreat" []

• To treat (wood or fabric, for example) beforehand. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "With the chance of snow forecast for this weekend, and considering last winter's record snowfall, the SHA decided this was a good opportunity to test new plans to pretreat the entire Maryland Beltway instead of focusing primarily on bridges and overpasses."
• "I encourage my clients to pretreat their bags with stain-resistant sprays to extend their average life expectancy."
• "If you are prone to herpes, fever blisters, or any kind of infection on your face even acne, pretreat and posttreat it with the proper medication before and after your procedure."