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

First Known Use of pretreatment

Noun

1899, in the meaning defined above

Adjective

1912, in the meaning defined at sense 1

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Dictionary Entries near pretreatment

pretrain

pretravel

pretreat

pretreatment

pretrial

pretrimmed

prettify

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Time Traveler for pretreatment

The first known use of pretreatment was in 1899

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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

adjective

Medical Definition of pretreatment (Entry 2 of 2)

: occurring in or typical of the period prior to treatment a patient's pretreatment blood pressure

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