transitive verb
af·​ter·​treat | \ ˈaf-tər-ˌtrēt \

Definition of aftertreat

: to subject to aftertreatment

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First Known Use of aftertreat

1890, in the meaning defined above

History and Etymology for aftertreat

back-formation from aftertreatment

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The first known use of aftertreat was in 1890

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Cite this Entry

“Aftertreat.” Dictionary, Merriam-Webster, Accessed 22 Jan. 2021.

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