pretreated

/priːˈtriːtɪd/
adjective
  1. Having been treated or prepared in advance.
    • Use pretreated lumber for outdoor projects to prevent rot.
    • The pretreated water is safe to drink after the final filtration.
    • The pretreated fabric resists stains and wrinkles.
Antonyms
verb
  1. Past tense and past participle of pretreat.
    • The technician pretreated the metal surface to prevent rust.
    • She pretreated the carpet before shampooing it.
    • They pretreated the patient's wound with antiseptic.
What does "pretreated" mean? | whatsthatwordmean | whatsthatwordmean