What is "toxicant"

Toxicant \Tox"i*cant\, n. A poisonous agent or drug, as opium; an intoxicant.

a. Capable of causing damage by poisoning n. A toxic or poisonous substance

adj. having the qualities or effects of a poison [syn: poisonous]

A toxicant is any toxic substance. In popular usage, the term is often used to denote substances made by humans or introduced into the environment by human activity, in contrast to toxins, which are toxicants produced naturally by a living organism. Toxicants are poisonous.