IPA: /əˈdʌltəreɪtə/
KK: /əˈdʌltəˌreɪtər/
A person or organization that makes something impure by adding harmful or inferior substances.
The adulterator was caught mixing cheap ingredients into the food products.
Adulterator → It is formed from "adulterare" (meaning to corrupt or make impure) and the suffix "-or" (meaning one who). The word "adulterator" refers to one who corrupts or makes something impure, especially in the context of mixing inferior substances into a product.
Think of someone who 'corrupts' ('adulterare') something by adding inferior elements — that's why an adulterator is someone who makes something impure.