pretreatment
noun
pre·treat·ment
| \ ˌprē-ˈtrēt-mənt
\
\
variants:
or pre-treatment
plural pretreatments
or pre-treatments
Definition of pretreatment
(Entry 1 of 2)
: 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 … 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 A drug called atropine can reverse the effects if administered promptly, and pretreatment with pyridostigmine can help shield the body …— 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
pretreatment
adjective
variants:
or pre-treatment
Definition of pretreatment (Entry 2 of 2)
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.
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 In my weekly Ask a Clean Person columns, I talk a lot about laundry boosters and stain pretreatment products …— Jolie Kerr
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More Definitions for pretreatment
pretreatment
noun
pre·treat·ment
| \ -mənt
\
\
Medical Definition of pretreatment
(Entry 1 of 2)
: preliminary or preparatory treatment
unsuccessful…in preventing tumor growth by pretreatment with vitamin A in mice— E. L. Felix et al
pretreatment
adjectiveMedical Definition of pretreatment (Entry 2 of 2)
: occurring in or typical of the period prior to treatment
a patient's pretreatment blood pressure