ADULTERANT
Meaning of ADULTERANT in English
a ‧ dul ‧ ter ‧ ant /əˈdʌltərənt/ BrE AmE noun [countable] formal
a substance that is secretly added to food or drink, making it less pure
Longman Dictionary of Contemporary English.
Longman - Словарь современного английского языка.
2012