VocabularyBasePractice words

Meaning & use

pretreatment or pre-treatment

noun·Advancedtechnical

Last updated

UK/ˌpriːˈtriːtmənt/
US/ˌpriˈtritmənt/

Meanings

  1. nouncountable or uncountabletechnical

    A step or process applied to something, such as water, fabric or a surface, before the main treatment or process starts.

    Grammar: Countable for a specific step (a pretreatment) and uncountable for the general idea (pretreatment is essential).

    Patterns

    • pretreatment of something
    • pretreatment before something

    Wastewater needs pretreatment to remove solids before it enters the main plant.

    A short pretreatment with soap loosens stubborn stains before washing.

    Seeds received a fungicide pretreatment to protect them in cold soil.

  2. nouncountable or uncountablemedical

    Medical care or drug therapy given to a patient before the main procedure or therapy begins.

    Grammar: Often appears in clinical research: pretreatment levels versus levels after treatment.

    Patterns

    • pretreatment with something

    Pretreatment with anti-nausea medicine made the chemotherapy easier to tolerate.

    The study measured patients' blood pressure at pretreatment and again after six weeks.

    Doctors recommend pretreatment screening for infections.

Word forms

pluralpretreatments

Common combinations

pretreatment step
Filtering the water is the first pretreatment step.
chemical pretreatment
Chemical pretreatment softens the fibers before they are spun.
pretreatment stage
Most problems appear at the pretreatment stage.
pretreatment with
Pretreatment with an enzyme speeds up digestion of the sample.
require pretreatment
Hard surfaces require pretreatment before painting.

Synonyms and how they differ

preparation
It is broader and informal; pretreatment names a specific process applied to the material itself.
conditioning
It stresses making a material suitable for later use, often in industry, while pretreatment simply stresses coming first.
priming
It is common for paint and engines, and means getting something ready, while pretreatment is a wider technical term.

Opposites

post-treatmentaftercare

Word family

treat verb
to apply a process or care to something
treatment noun
care or a process applied
pretreat verb
to treat something beforehand
pretreated adjective
having had an earlier treatment
post-treatment adjective
occurring after treatment

Commonly confused: pretreatment or pre-treatment or pre-treaty?

pretreatment or pre-treatment vs pre-treaty

This is not a real word; pre-treatment must have the -ment ending to be a noun.

Practice

The laundry applies a ___ to heavily stained shirts before putting them in the machine.

Make it your own

Write a sentence using “pretreatment or pre-treatment”, then check it and compare it with the examples above.

Your sentence stays on this page and is not sent anywhere.

Explore more words