pretreats
/priːˈtriːts/
verb
- To treat or apply a substance to something before a main process, especially to prepare it for cleaning, staining, or other treatment.
- Before painting, he pretreats the metal surface with a rust inhibitor.
- She pretreats the stain on her shirt with a special spray before washing it.
- The carpenter pretreats the wood with a preservative to protect it from rot.
Antonyms