pretreat

verb
pre·​treat | \ˌprē-ˈtrēt \
variants: or pre-treat
pretreated or pre-treated; pretreating or pre-treating

Definition of pretreat 

transitive verb

: to treat previously : to subject to pretreatment pretreat the stain before washing pretreated the roads with sand/salt before the snowstorm pretreating wastewater … he now pretreats patients with medicines to counter possible reactions.— Elisabeth Rosenthal

First Known Use of pretreat

1926, in the meaning defined above

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The first known use of pretreat was in 1926

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More Definitions for pretreat

pretreat

transitive verb
pre·​treat | \-ˈtrēt \

Medical Definition of pretreat 

: to subject to pretreatment

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