IPA: /ˌpriːˈtriːtɪd/
KK: /priˈtritɪd/
Describing something that has undergone a preliminary treatment before the main process or use.
The pretreated fabric is ready for dyeing.
To have treated something in advance before the main treatment or process.
The fabric was pretreated to ensure better dye absorption.
Past: pretreated
Past Participle: pretreated
Pretreated → It is formed from "pre-" (meaning before) and "treat" (from Latin "tractare", meaning to handle or deal with) and the suffix "-ed" (indicating a past action). The word "pretreated" means to have been handled or dealt with before a certain point in time.
Think of something that has been 'handled' ('treat') 'before' ('pre-') a specific event or process.