pretreatment

(redirected from wastewater pretreatment)
Also found in: Medical.

pre·treat

 (prē-trēt′)
tr.v. pre·treat·ed, pre·treat·ing, pre·treats
To treat (wood or fabric, for example) beforehand.

pre·treat′ment n.

pretreatment

(priːˈtriːtmənt)
n
treatment administered beforehand
adj
(Medicine) occurring, or administered, before treatment