adjective. having the qualities or effects of a poison.
noun. any substance that causes injury or illness or death of a living organism.
- poisonous substance
Sentences with toxicant
1. Noun, singular or mass
Manganese is also a potent toxicant if you are exposed through inhalation of dust or fumes.
It is also a human immune system toxicant and can irritate skin, eyes and lungs.