pretreatment
1 of 2noun
pre·treat·ment ˌprē-ˈtrēt-mənt 
variants or pre-treatment
plural pretreatments or pre-treatments
: an act or instance of treating someone or something in advance : preliminary or preparatory treatment
pretreatment of stains
pretreatment of a surface for painting
… pretreatment is often required to remove oil and grease from the waste water.
John H. Sheridan
John H. Sheridan… will allow public works crews to apply salt brine to pre-treat city streets before snow events. The pre-treatment creates an additional layer that helps to melt snow … Kevin Thompkins
Kevin ThompkinsA drug called atropine can reverse the effects if administered promptly, and pretreatment with pyridostigmine can help shield the body … Adam Rogers
Adam Rogers also : a substance used for such treatment
Oils give great shine, but I also use them as a pretreatment to prevent damage prior to coloring my natural hair. Deena Campbell
Deena Campbell pretreatment
2 of 2adjective
variants or pre-treatment
1
: existing or occurring before treatment
the pretreatment period
a pretreatment condition
the patient's pretreatment drug regimen
When treatment was discontinued, the condition of treated nasal muscles quickly returned to pretreatment levels. Michael Vaiman et al.
Michael Vaiman et al.2
: of, relating to, or being a pretreatment
a waste pretreatment facility/system
The current chemical pretreatment process uses relatively harsh conditions to break down the tough structure of grass and other biomass. Phys.org
Phys.orgIn my weekly Ask a Clean Person columns, I talk a lot about laundry boosters and stain pretreatment products … Jolie Kerr
Jolie Kerr
Word History
First Known Use
Noun
1899, in the meaning defined above
Adjective
1912, in the meaning defined at sense 1
Medical Definition
pretreatment 1 of 2
noun
pre·treat·ment -mənt
: preliminary or preparatory treatment
unsuccessful … in preventing tumor growth by pretreatment with vitamin A in mice E. L. Felix et al.
E. L. Felix et al.pretreatment
2 of 2adjective
: occurring in or typical of the period prior to treatment
a patient's pretreatment blood pressure
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