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English definition of “untreated”

untreated

adjective  /ʌnˈtri·t̬ɪd/ us  

untreated adjective (WITHOUT MEDICINE)

not given medical treatment: Depression is a very treatable disease but if left untreated it can be deadly.

untreated adjective (NOT PROCESSED)

not changed, improved, or made safe by a special process: untreated wood/fabric Up to 80 times a year, the untreated overflow from the factory is dumped into the river.
(Definition of untreated from the Cambridge Academic Content Dictionary © Cambridge University Press)
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